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Invention The EXTENDED CLASSROOM Teaching for the 21st century EQuad News DEAN’S Summer 2013 NOTE Volume 25, Number 1 Dean H. Vincent Poor Ph.D. ’77 Vice Dean A tradition of change Claire Gmachl Associate Dean, An essential quality of the classroom at Princeton is change. Woodrow Undergraduate Affairs Wilson, former president of this university and the nation, transformed Peter Bogucki teaching in 1905 when he introduced the precept. To use the modern Associate Dean, Graduate Affairs parlance, Wilson “flipped the classroom,” creating a student-centered dis- Brandi Jones cussion instead of a professor-driven lecture. More than 100 years later, Associate Dean, the classroom experience continues to evolve and now is in another Development

Jane Maggard Photo by David Kelly Crow period of great transformation. Director of Engineering Perhaps the most dramatic example is the arrival of open online Communications courses, which are reaching many tens of thousands Steven Schultz Senior New Media Editor of students around the world. Princeton Engineering faculty members Teresa Riordan have been early adopters, teaching seven of Princeton University’s 10 Staff Writer initial course offerings on the Coursera platform (see page 14). These John Sullivan courses not only amplify the dissemination of knowledge, they feed Contributors NEWS Anna Azvolinsky important insights back to the Princeton classroom, sharpening teaching Morgan Kelly skills and broadening discussions. Like Wilson’s precept, online course- Additional editing ware allows more in-person class time to be devoted to dialogue and Morgan Kelly Valedictorian finds inspiration in questions of balance inquiry. Graphic Designer Matilda Luk Programming a robot to perform like a plate paving a better future, in this nation and in all Aman Sinha, a mechanical Another change in the classroom is the subject matter itself, which Dan Fernandez spinner at a circus, making all the tiny adjust- nations. This is a daunting task, for sure, and and aerospace engineering constantly evolves. Here is where Princeton’s great strength in inte- Web Designer major, delivers the valedictory grating research and teaching comes into play. When professors lead Neil Adelantar ments needed to balance a thin stick perfectly one for which even Google doesn’t provide address at Princeton’s 2013 the research in their fields, their classes come alive with current, vital EQuad News is published upright, is part of what engineers call the instructions. But perhaps we can start by Commencement. twice a year by the Office of inverted pendulum problem. For most stu- asking ourselves a question: What if we strive questions. Students, in turn, ask questions that drive new research (see Engineering Communications pages 8 and 10). Visiting faculty members also inject ideas into the in collaboration with the dents, the tricky balancing act can be quite a to be more than we are told we can be?” Princeton University Office of curriculum; gifts to the recently completed Aspire campaign have created Communications. It serves challenge. For Princeton senior Aman Sinha, it Sinha, who won numerous academic several important new visiting positions (see page 20). the alumni, faculty, students, staff, corporate affiliates and was an inspiration. awards including the Shapiro Prize for As a Princeton dean and alumnus, I also am keenly aware of the friends of the Princeton Uni- “You can push the pendulum, and it swings Academic Excellence and the George B. Wood profound contributions that you – our alumni and partners – make in the versity School of Engineering and Applied Science. back as the computer compensates,” he said. Legacy Sophomore Prize, will attend Cam- education and lives of our students. Your partici- “It almost seems like the computer is alive.” bridge on a Churchill Scholarship. After that, pation, support and feedback are enormously valuable. Please find us on EQuad News C-222, EQuad, The intricate merger of motion and reaction he plans to pursue a doctorate at Stanford as Facebook and Twitter, or follow the age-old tradition Princeton University Princeton, NJ 08544 needed to balance the teetering pendulum a Hertz Fellow. of stopping by to say hello. T 609 258 4597 brought to bear Sinha’s enthusiasm for Clarence Rowley (BSE ’95), a professor of F 609 258 6744 H. Vincent Poor Ph.D. ’77 [email protected] engineering and mathematics. That desire to mechanical and aerospace engineering, said Dean www.princeton.edu/ tackle difficult problems, to uncover the most that Sinha has a great ability to work through Michael Henry Strater University engineering/eqnews elegant solution, helped propel him to the complex problems and arrive at spare, forceful Professor of Electrical Engineering Copyright © 2013 by top of his class. A mechanical and aerospace solutions. Although he has moved on to more The Trustees of Princeton University engineering major from Ivyland, Pa., Sinha was difficult work, the pendulum problem was an

In the Nation’s Service and the valedictorian of Princeton’s Class of 2013. early example. in the Service of All Nations “The world is getting smaller, flatter and “It is a case where there is a fairly more connected,” Sinha said in his address involved amount of math that you have to do 450015 at the University Commencement on June 4. to arrive at a solution,” said Rowley. “But when

Photo by Denise Applewhite Photo by “Our generation faces challenges, old and you work through it, and see it actually work, new, on all fronts. It is now our job to dedicate it’s great. It’s really exciting to see it pan out. I ourselves to the task at hand, that from our think it really resonated with Aman.” 1 7 24 27 30 32 time here we take an increased devotion to News Extended Faculty Undergraduate Graduate Alumni Classroom News News News News 4 5 NEWS NEWS Valedictorian finds inspiration in questions of balance (continued from page 3) Natural BACTERIAL byproduct offers route to new antibiotics Professor of Mechanical Underlying Sinha’s friendly and easygoing explained,” said Leonard, the Edwin S. Wilsey As public health officials sound the alarm at Boston University analyzed Photo by Denise Applewhite and Aerospace Engineer- manner – he describes the complicated math Professor of Mechanical and Aerospace about the global spread of drug-resistant reactive-oxygen production ing Clarence Rowley, left, and Sinha demonstrate of control systems as “really cool” – is a formi- Engineering. “This kind of presentation without bacteria, researchers are working to develop from thousands of mathe- a low-tech version of the dable intellect. Sinha’s senior thesis adviser, detailed notes is more typical of an accom- more effective antibiotics to counter this dan- matical models and looked for inverted pendulum experi- Naomi Leonard (BSE ’85), recalled that he plished graduate student.” –John Sullivan gerous phenomenon. Now, results from a team trends. That analysis revealed ment, a classic engineering managed to solve every problem set in her including a Princeton University scientist offer that certain enzymes allowed problem that Rowley says “is like balancing a ruler course on modern control a possible solution that uses the bacteria’s bacteria to reduce the levels on your hand.” For Sinha, theory on a single own byproducts to destroy them. of reactive oxygen species the “pendulum problem” sheet of paper. And In a paper in the journal Nature Biotech- they created. challenged and inspired when it came time to nology, Mark Brynildsen, a Princeton assistant The team chose a relatively his passion for engineering and mathematics. present his thesis to professor of chemical and biological engineer- benign strain of E. coli, Leonard’s research ing, reported that scientists can force bacteria a common bacteria whose group, Sinha sketched to increase production of molecules called variations can cause serious numerous equations reactive oxygen species, which can either kill illness. Using a computer and pictures on the the bacteria or make them more vulnerable to model, the team predicted board and spoke for antibiotics. Bacteria normally produce reactive which bacterial genes are likely involved in Mark Brynildsen (left), an assistant professor of chemi- nearly an hour — oxygen species during growth. Small amounts regulating reactive oxygen species production. cal and biological engineer- all from memory. don’t hurt them because of protective en- They then deleted those genes ing at Princeton, meets with “The material that zymes within the bacteria, but too much of the in bacteria and confirmed that the bacteria Ph.D. students Jonathan Rob- Aman presented on substances can lead to “oxidative stress.” The experienced increased production of reac- inson and Kirstin Adolfsen in the newly renovated Hoyt the board covered researchers decided to exploit this weakness. tive oxygen and an increased sensitivity to Lab. Brynildsen’s research dozens of pages from “The question was, could we leverage this oxidants. The researchers then treated these team is one of four faculty his thesis work and natural byproduct of growth?” Brynildsen said. bacteria with antibiotics and found that the groups that recently moved was so carefully Brynildsen and fellow members of the organisms were in fact more vulnerable. –JS into the refurbished building, Photo by Denise Applewhite which supports biological research team led by Professor James Collins engineering. The addition of Hoyt Lab adds more than 38,000 square feet of labora- tory and conference space to Debenedetti promoted to dean for research; the engineering school. Gmachl is successor as vice dean Claire Gmachl, the Eugene Higgins the University’s vice president for the U.S. strove to use innovation funds to identify and Gmachl’s research focuses on quantum Professor of Electrical Engineering, Department of Energy’s Princeton Plasma promote “very new ideas,” which he described devices, particularly lasers, and their poten- has been appointed vice dean of the Physics Laboratory. as work that has great potential and explores tial use in sensor systems for environmental School of Engineering and Applied As dean for research, Debenedetti will unfamiliar frontiers. He hopes to expand that monitoring and health care. She is the director

Photo by Frank Wojciechowski Frank Photo by Steger Volker Photo by Science, succeeding Pablo Deben- be responsible for encouraging innovation vision University-wide. of the University’s MIRTHE Center (Mid-InfraRed Left: Pablo Debenedetti; right: edetti, who has been named the and collaboration across campus, promoting As vice dean, Gmachl oversees the Technologies for Health and the Environment). Claire Gmachl University’s new dean for research. research at the University and ensuring that allocation of research resources, space and In addition to her academic role, Gmachl Debenedetti, the Class of 1950 Professor research meets ethical standards. facilities. She also assumes responsibility for served as interim vice dean when Debenedetti in Engineering and Applied Science and profes- From 1996 to 2004, Debenedetti was the promotion of new research initiatives and was on sabbatical in 2012. –John Sullivan and sor of chemical and biological engineering, chair of the chemical engineering department. industrial collaboration, and for the facilitation Morgan Kelly succeeds Class of 1909 Professor of Physics In 2008, he was named vice dean of engi- of international initiatives. A.J. Stewart Smith (Ph.D. ’66), who became neering. In that role, Debenedetti said, he 6 7 NEWS NEWS Printed ear melds biology and electronics (continued from page 4) Photo by Frank Wojciechowski Graduate student Manu ticles that form an antenna. The bovine cells ear to register acoustic sounds. Although Mannoor, left, and later developed into cartilage. McAlpine cautions that further work and Assistant Professor Two wires lead from the base of the extensive testing would need to be done of Mechanical and finished ear and wind around a helical before the technology could be used on a Aerospace Engineer- ing Michael McAlpine “cochlea” – the part of the ear that senses patient, he said the ear in principle could be inspect the “bionic ear” sound – which can connect to electrodes. used to restore or enhance human hearing. developed in their lab. The current system receives radio waves, but He said electrical signals produced by the Printed ear melds biology and electronics McAlpine said the research team plans to ear could be connected to a patient’s nerve incorporate other materials, such as pressure- endings, similar to a hearing aid. –JS Using 3-D printing tools, researchers have McAlpine’s team has made several sensitive electronic sensors, to enable the created a functional ear that can “hear” radio advances in recent years involving the use of frequencies far beyond the range of normal small-scale medical sensors and antennas. human capability. Last year, a research effort led by McAlpine, FBI ‘trapdoor’ for cyber-sleuthing poses high risk, The researchers’ primary purpose was to Naveen Verma, an assistant professor of Felten says explore an efficient and versatile method of electrical engineering, and Fiorenza Omenetto Responding this spring to an FBI proposal for introduce dangerous security vulnerabilities merging electronics with tissue. The scientists of Tufts University resulted in the development new wiretapping technology, Edward Felten into systems without adding much strength to used a standard 3-D printer to print cells – of a “tattoo” made up from a biological sensor and a group of computer-security experts federal agents’ surveillance capabilities. nanoparticles of silver and other structural and antenna that can be affixed to the surface warned that the plan posed far more risks In an argument delivered in a May 17 posi- materials – and then applied cell culturing of a tooth. than benefits. tion paper, the security experts warned that procedures to grow the number of cells. The This project is the team’s first effort to Felten, a professor of computer science creating a surveillance trapdoor would make result was perfectly ear-shaped cartilage with create a fully functional organ, one that not and public affairs, said the FBI plan calls for phones and computers vulnerable to attack a built-in antenna coil, creating what they call only replicates a human ability, but extends it “trapdoors” to be installed in the software from hackers and other malicious groups. a bionic ear. using embedded electronics. of computers and phones that use certain The stealthy design needed for a successful “There are mechanical and thermal “The design and implementation of bionic communications technologies that law enforce- governmental trapdoor would also make it challenges with interfacing electronic materials organs and devices that enhance human ment currently has difficulty monitoring. The difficult for users to tell whether they had been Photo by Frank Wojciechowski with biological materials,” capabilities, known as cybernetics, has been trapdoors would allow law enforcement to hacked, and it would add to the complexity of said Michael McAlpine, an area of increasing scientific interest,” the secretly monitor communications in ways that the communications software. an assistant professor of researchers wrote in an article published Edward Felten directs are currently not available. Felten also said the plan probably would mechanical and aerospace online May 1 in the journal Nano Letters. Princeton’s Center for The proposal is distinct from recently dis- not work as a surveillance tool. The group Information Technology Policy. engineering at Princeton and “This field has the potential to generate closed surveillance programs such as PRISM. pointed out that users would be able to modify the project’s lead researcher. customized replacement parts for the human PRISM, run by the National Security Agency, their systems’ software to remove any sur- “Previously, researchers have body, or even create organs containing primarily examines bulk data about standard veillance tools, thus defeating the intended suggested some strategies capabilities beyond what human biology electronic communications, while the FBI pro- purpose of the trapdoors. to tailor the electronics so ordinarily provides.” posal would target encrypted communications “The bottom line is that harms that would that this merger is less awk- The researchers’ report received wide- that cannot be practically intercepted. result from the FBI’s plan vastly outweigh any ward. That typically happens spread media attention, including television The FBI wants to prevent criminals from benefits,” Felten wrote on his blog, Freedom between a 2-D sheet of elec- interviews and many articles on websites and evading its oversight, but Felten, who is also to Tinker. “The cybersecurity problem is bad tronics and a surface of the in newspapers and magazines around the director of Princeton’s Center for Informa- enough as it is. Let’s not make it any worse.” tissue. However, our work the world. Princeton engineers used 3-D printing to create an ear tion Technology Policy, said the plan would –JS made up of a coil antenna and cartilage, demonstrating suggests a new approach – to The 3-D printing technique uses a com- an efficient method of merging electronics with tissue. build and grow the biology up puter to control a nozzle that builds up the with the electronics synergisti- desired design in thin slices. In the case of cally and in a 3-D interwoven the ear, the researchers combined a matrix of format.” hydrogel and bovine cells with silver nanopar- 8 NEWS

Art of Science: celebrating the unpredictability of creativity This image, titled “Medusa,” won Princeton University’s 2013 Art of Science “this striking imagery serves as a democratic third place in the People’s Choice exhibition opened May 10 with a display of window through which non-experts can appre- category of Princeton’s Art of Science competition. Graduate 43 images of artistic merit created during the ciate the thrill of scientific discovery.” The student Jamie Barr and Clifford course of scientific research. The works were The juried prize winners were selected by Brangwynne, assistant profes- chosen from 170 images submitted from a distinguished panel of judges: David sor of chemical and biological 24 departments across campus. Dobkin, dean of the faculty; Emmet Gowin, engineering, wrote that the “bright clump of worms resembles the “Like art, science and engineering are professor emeritus of visual arts; Paul EXTENDED wild snakes that surrounded the deeply creative activities,” said Pablo Debene- Muldoon, the Howard G.B. Clark ’21 University head of the mythological monster detti, the former vice dean of engineering and Professor in the Humanities; Shirley M. Medusa. But unlike Medusa’s now the University dean for research, who Tilghman, molecular biologist and now presi- CLASSROOM snakes, these worms became sticky and connected during an ex- served as master of ceremonies at an opening dent emerita; and Katherine Bussard, the periment designed to understand reception that drew 200 people to Princeton’s Peter C. Bunnell Curator of Photography at the how molecules determine cell and Friend Center. Princeton University Art Museum. Attendees organism size.” “Also like art, science and engineering at at the exhibit opening also selected People’s their very best are highly unpredictable in their Choice winners. The timeless rite of professor and students gathering to outcomes,” Debenedetti said. “The Art of Sci- To see the winning entries and all 43 pass along and debate knowledge remains at the core of the ence exhibit celebrates the beauty of unpre- images, visit www.princeton.edu/artofscience. Princeton experience. Yet the classroom is far from static. dictability and the unpredictability of beauty.” Art of Science 2013 was sponsored by the Adam Finkelstein, professor of computer David A. Gardner ’69 Fund in the Council of The following pages offer a range of recent news illustrating science and one of the exhibition organizers, the Humanities, the Princeton Plasma Physics the dynamic flow of ideas into and out of classes, and even said that Art of Science spurs debate among Laboratory and the School of Engineering and the changing nature of the classroom itself, from virtual artists about the nature of art while opening Applied Science. It also was supported by communities of learners across the Internet to projects rooted scientists to new ways of “seeing” their own 15 other departments, centers and programs in communities that they serve. research. “At the same time,” Finkelstein said, at Princeton. –Teresa Riordan the effort is to minimize the stress on an over- burdened system and allow wireless opera- tors to reduce cost while providing choices to consumers. The trick is to balance the pricing Student work to move just enough people to less congested fuels effort times to smooth out the system. This is where the mathematical sophisti- to make cation comes into play. Chiang’s team constructs approaches that can use data on smartphones consumers’ past wireless usage to learn how time-dependent pricing affects customers’ Photo by Frank Wojciechowski smarter behavior. They use that analysis to evaluate and predict the most effective prices for balancing network use. by John Sullivan The team gained insights into how con- sumers use data through the Princeton trial. And they were able to create algorithms to learn changes in behavior and adjust pricing Most term papers are evaluated by one or two people, but Carlee The original work focused on shifting accordingly. The results were published at a traffic to off-peak times by using incentives major networking conference, ACM SIGCOMM, Joe-Wong’s will be checked by hundreds. to encourage consumers to access the in 2012. The overall project has produced The paper, completed in 2010 as part of a Professor of Electrical Engineering and the network at low-congestion periods. To test more than five publications at top-tier venues, junior-year independent project at Princeton lab’s director, said the lab applies mathemati- this, Chiang’s team recruited 50 members and an edited volume contributed to by many University, has evolved into a research project cal research to propose fundamental improve- of the University community for a pricing ex- research groups in academia and industry. involving wireless operators like AT&T and ments in communication networks, bridging periment that began in the summer of 2011. “We organized the first smart data pricing 1,000 participating wireless customers with theory and practice. Volunteers used the lab’s time-dependent (SDP) industry forum at Princeton with about mobile data plans. Along the way, it has also The current problem the project is grappling pricing system and the lab passed along the 20 leading U.S. companies in the wireless led to the development of a popular free app. with is driven by the increasing congestion savings the participants achieved compared to industry, both carriers and manufacturers, A project Carlee Joe-Wong Titled “Time-Dependent Broadband Pric- on wireless networks caused by the prolifera- their normal provider charges. who talked about what the industry collectively (front left) pursued as a ing: Mathematical Models and Optimization tion of wireless data services. Wireless cloud “We said we will pay your current Internet could do,” Chiang said. For this year, the Princeton junior has grown Solutions,” Joe-Wong’s work explored ways that services, video and apps are gobbling up bills, and then we will charge you according to EDGE Lab and companies such as Alcatel- into a major research initiative for Mung Chiang (at wireless companies could reduce congestion bandwidth faster than wireless operators can our time-dependent algorithm,” Joe-Wong said. Lucent, Cisco and Qualcomm are organizing Joe-Wong’s right), a professor by varying their prices depending on the time expand their capacities, Chiang said. a series of SDP industry forums around of electrical engineering, and of day. The mathematics behind her analysis Soon after Joe-Wong began working with Tracking time and managing data the world, designed to engage hundreds of members of his Edge Lab. was so innovative that her professor, Mung the EDGE Lab in early 2010, Chiang suggested Time-dependent usage is not new in other sec- industry engineers. Chiang, suggested that she continue to pursue adapting the paper’s thesis for a real-world tors of society. In its simplest version, transit One of the outgrowths of that initial the approach with his laboratory team. trial. Sangtae Ha, a former associate research agencies charge riders less for travelling at off- forum is the upcoming real-user trial between “I had no idea it would turn into a real scholar in electrical engineering now an peak hours and more during rush hour. When the EDGE Lab and AT&T in which 1,000 cus- trial or anything of the sort,” said Joe-Wong, assistant professor at the University of mobile voice was charged based on a quota, tomers will be given data pricing that depends who is now a doctoral student in applied Minnesota, began developing the trial plan and telephone companies used time-dependent on the congestion condition. For the trial, and computational mathematics at Prince- infrastructure for the work, and Soumya Sen, pricing by charging callers less to make calls scheduled to start this summer, the team will ton. “I was hoping it could be published as a former postdoctoral research associate who at night or on weekends. place a pricing indicator on the customers’ a research paper, but I didn’t expect it to go is now an assistant professor of information Joe-Wong said that relatively simple tech- phones next to the battery indicator that will further than that.” and decision science at the University of niques, such as creating low-cost “off-peak allow participants to quickly monitor the cost It is the kind of project that Princeton’s Minnesota, joined the team soon afterwards. periods,” do not work well for mobile data, of their data usage. EDGE Laboratory was put together in 2009 The project’s team and scope expanded because data consumption behavior is both “The work at the lab has the ability to to pursue. Chiang, the Arthur LeGrand Doty further in the past year. more complex to track and easier to shift than shape the industry,” Chiang said. “We have commuting or phone-call patterns. The goal of smartphones. This is smart data.” 10 11 Study casts light on Class on structural deadly Photo by Frank Wojciechowski immune art response AND ENGINEERING

by Anna Azvolinsky yields new new exhibit It was the near-death experiences of six men who volunteered to test an Many classes involve field trips to museums; in this class, students experimental drug that caught the attention of Hao Hong Yiu. created their own exhibit – with a field trip to Germany along the way. by Teresa Riordan The chemical engineering major was taking a intervene to prevent these dangerous inflam- Sigrid Adriaenssens and Branko Gliši , both “In engineering, students usually don’t go course on the other side of campus, in the matory reactions,” Graham said. assistant professors of civil and environmental on field trips but in other disciplines such as Department of Ecology and Evolutionary The researchers said the collaboration engineering, co-taught a course on German art and architecture, students are encouraged Biology, where Assistant Professor Andrea highlights how an interdisciplinary approach thin-shell structures in the fall of 2012 that to go see the works of, for example, Monet or Graham was teaching an immunology class. by an ecologist and an engineer, bridged by a resulted in the exhibit, “Evolution of German Le Corbusier,” Adriaenssens said. Graham told the class about a clinical trial talented undergraduate, can result in a novel Shells: Efficiency in Form,” now open to the Both Adriaenssens and Gliši consider the gone bad – six healthy men checked into a insight into a biological process — an insight public at Princeton’s Friend Center Engineering field trip to have been a cornerstone of the London hospital to test the safety of a drug that an immunologist working alone might Library. class. “The goal of the Germany trip was to it was hoped would treat leukemia, but have missed. The undergraduate course, “A Social and expose the students to real-life settings,” suffered near-fatal immune reactions after As an aerospace engineer, Stengel Multi-Dimensional Exploration of Structures,” Gliši said. a single dose. designed the manual controls for the Apollo included a week-long visit to Germany, where Adriaenssens said that another key goal Yiu saw an opportunity to extend the moon missions, but became interested in students visited landmark shell structures and of the trip was to meet with the people who classroom discussion of the incident to an applying his mathematical skills to biological met architects and engineers involved in thin- designed many of the buildings they visited. independent research project. He sought out problems 10 years ago. “The equations are shell construction. Germany was the birthplace “Actually going to offices and seeing what engineering faculty member Robert Stengel just like those for planes and rockets, they just of modern shell architecture in the 1920s and engineers and architects do during the course (Ph.D. ’68), professor of mechanical and mean different things,” Stengel said. “What also where shell engineering is still the most of a work day was very revealing for our aerospace engineering, to help guide his we do for calculating how much fuel it takes advanced in the 21st century. students,” she said. mathematical analysis. to put a satellite in orbit, we can use to The original shell structures, inspired Stengel and Graham had not previously understand the minimum amount of drug to by forms found in nature such as egg- met, but Yiu and the two faculty members be- use to kill a pathogen.” shells, were made of concrete. How- Cytokines are protein molecules gan a close collaboration that resulted in not Yiu, who graduated in 2010, said he found ever, engineers and architects today that serve as signals in the immune system. With names only his senior thesis, but also a peer-reviewed the intersection of engineering and biology employ other materials such as wood Branko Gliši (top left), assistant like interferon and interleukin paper published recently in the journal PLoS exciting. “It was really interesting to see and plastic or steel and glass. professor of civil and environ- (examples shown above), these One with Yiu as the first author. Professor Stengel’s and Professor Graham’s Following their field trip to Germany, mental engineering, and students molecules accelerate and slow take a break during a field trip to various aspects of immune Using a database of measurements from expertise come together to analyze this the students created models of the Germany for a recent class. responses. Former undergraduate the clinical trial the researchers created an biological event,” Yiu said. structures they studied using different Hao Hong Yiu (top left) worked unprecedentedly clear model for how immune Graham said that beyond cytokines, the techniques. The students also created with professors Robert Stengel signals called cytokines interact with each model also provides a general way to analyze short documentaries about five differ- and Andrea Graham to analyze “cytokine storms” that occurred other. The work sheds light on a potentially biological data collected over time. “It seems ent structures: Balz House, Groetzingen in real patients, providing some of deadly overreaction of the immune system to me that this is only the beginning,” Graham Theater, Leipzig Markthalle, Mannheim the first quantitative insights into known as a “cytokine storm.” said. “With these quantitative tools applied Watch the video at http://www.princeton.edu/ Multihalle, and the Museum of Ham- these deadly events. “We have developed tools that could ulti- to larger and better cytokines and other data engineering/video/player/?id=10352 or scan burg History. Those films can be viewed the QR code on the right to watch on your mately reveal how and when clinicians might sets, imagine the immunological insights that smart device. at http://shells.princeton.edu/FGrotz. would emerge.” html. 12 13 Photo of Vivek Pai and students by Frank Wojciechowski. All other photos by Bentley Drezner. jor in computer science. Although she original- An algorithm for growth ly thought to major in operations research and Undergraduate enrollment in “General Computer Science” has soared STRONG VISION financial engineering, Wang said she is now in recent years in engineering (BSE) and arts (A.B.) students. In addition considering computer science as well. to these enrollment numbers, about 40 students from the University’s and Integrated Science curriculum take “General Computer Science” for half word-of- “The problem sets in the course were very the fall semester. mouth drive challenging but they were manageable,” she said. “They made you realize the different academic year BSE A.B. ways you could implement the skills that you exponential 2002-03 62 79 141 Total undergraduate enrollment have learned.” Sedgewick said he is pleased that the growth course leads many students to a greater BSE A.B. for CS course interest in computer science, but he feels 2003-04 78 73 151 strongly that computers are so integral to modern society that a basic understanding BSE A.B. by John Sullivan of the field should be a part of any education. 65 66 131 In the introduction to their textbook, “Intro- 2004-05 duction to Programming in Java,” Sedgewick Ryan McCarty is a music major, but after his roommate raved about and Wayne say that in the modern world com- BSE A.B. The course “General Com- Princeton’s introductory computer science class, he decided to try it puter science cannot be left to specialists. 2005-06 105 118 223 puter Science” is known for the himself. McCarty has now used the Java programming skills that he “The basis for education in the last millen- high level of support it offers nium was reading, writing and arithmetic; students through precepts and learned in class to create a musical composition program for his junior- study sessions led by faculty now it is reading, writing and computing,” BSE A.B. members such as Associate year project. they write. 2006-07 141 93 234 Professor Vivek Pai (at right in “Now, my other roommate is taking it,” were certain core principles of computer sci- Sedgewick’s approach in “General Com- lower left photo) and Lecturer McCarty said. “He is a politics major.” ence and that beginning students could use puter Science” has proven so popular at Donna Gabai (at right in lower BSE A.B. right photo). Computer science is not just for scien- a single programming language to obtain a Princeton that professors at other universities, tists anymore. In the past several years, the strong foundation in these areas. including Yale and the University of Pennsylva- 2007-08 129 128 257 University’s basic computer course, “General Kevin Wayne, the Phillip Y. Goldman ‘86 nia, have created similar classes. Computer Science,” has seen its enrollment Senior Lecturer in Computer Science and Benedict Brown, who earned his doctorate BSE A.B. skyrocket from 131 in 2004 to the current Sedgewick’s colleague and co-author of the in computer science from Princeton in 2008, 2008-09 188 175 363 level of 648. (Those numbers do not include class’s textbook, said the idea was to teach now teaches the introductory computer students from Princeton’s Integrated Science students to view computer programming as science course at Penn using the Princeton course, who take “General Computer Science” a tool to solve problems rather than as an model. Brown, a former teaching assistant in BSE A.B. for half a semester.) The course is now one of isolated topic. “General Computer Science,” said when he 2009-10 198 222 420 the most popular at Princeton. Much of that “We teach a good amount of program- first arrived at Penn, he suggested taking the increase has come from students outside of ming but the goal is not to learn a computer same approach to basic computer science. BSE A.B. the engineering school. language, but to learn to solve problems “They liked what they heard and thought it 210 249 459 “When we started this, the idea was that and understand computation,” Wayne said. was a good model,” he said. 2010-11 there ought to be a course for any student at The instructors use Java as the class Brown said the course allows students to the University who wanted to learn some com- language because it is a common program achieve a basic level of competence in pro- BSE A.B. puter science,” said Robert Sedgewick, the and shares features with other languages. But gramming and to reach a point at which “they 2011-12 253 290 543 William O. Baker *39 Professor in Computer Wayne said the choice of language was really know what they don’t know.” Science. “This is a course for everyone.” secondary; the course focuses on creating a “If they want to be computer scientists, When Sedgewick started the course nearly general structure of a program and on learn- they realize how much more there is to learn,” BSE A.B. 20 years ago, the vast majority of computer ing how to conceptualize a program to solve a he said. “On the other hand, if they want to 2012-13 312 336 648 science courses either focused on specific complex task. pursue it as a hobby or as an interest, they fields, such as physics or engineering, or they Jean Wang, a sophomore, said the course, know enough to be successful.” 0 100 200 300 400 500 600 700 dealt with individual programming languages which is a requirement in the engineering number of students such as C. It was Sedgewick’s belief that there school, convinced several of her friends to ma- 14 15 SAMPLING OF 209 OUT OF 60,000 Top contributor total LEARNERS Chris Brinton, Main teaching assistant

average number of steps between Classrooms each user without 5 to 6 borders

Top 10 Concepts The most popular post

by Teresa Riordan Highest bidder Kelsang Atisha contributed the most popular post when Uniform distribution he uploaded a spreadsheet that could calculate power Best network topology levels needed when multiple users try to connect to a Baseline predictor cell tower. A Buddhist monk at Manjushri Kadampa Target SIR (Signal-to- Meditation Centre in Ulverston, England, Atisha called the course a tour de force in education: “It helped me Interference Ratio) understand how the Internet is based on carefully Ad spaces conceived mathematical and computer science break- Power and speaking throughs and to understand the role universities play in volume technological developments.” Dominant strategy Cell tower technology number of VIEWS number of votes Beta predictor 48,000 REceived 59

Connecting the dots Juniors Ankit Buddhiraju and Kevin Lin analyzed conversation Online learning is Since the summer of 2012, Princeton Uni- Mung Chiang China to earning three degrees from Stanford. threads among a small subset of learners in Mung Chiang’s hot these days, and versity has been offering, on an experimental Electrical Engineering Chiang’s take on Princeton’s online education Coursera class, “Friends, Money and Bytes,” to develop an online recommendation system that helps instructors organize topics Princeton Engineering basis, free online classes through Coursera, an “Networks Illustrated: Principles Without venture? “This is living out the motto of this and match learners to other learners who have similar interests faculty are at the enterprise started by two Stanford professors. Calculus” (Coursera) University. Education is the main service we or who might be able to help with assignments. The blue dots Massive online open courses (MOOCs) are a “Networks: Friends, Money and Bytes” can provide to all nations. But this is an here represent key concepts discussed during the online lectures leading edge of recent phenomenon but learners worldwide (Coursera) ongoing experiment. We’ve got much more (those closest to the middle are the most discussed). The red dots the trend. have had access to free content from Princeton work to do in the science of learning in an represent different online learners (the larger dots indicate those A well-known researcher in the field of who posted most frequently). The large center red dot is the teaching Engineering lecture libraries and class web- asynchronous and online environment before networks and the Arthur LeGrand Doty Profes- assistant in charge of online discussions. This system is the subject sites for years. Some highlights and history: we can realize the full potential of this new sor of Electrical Engineering, Mung Chiang of Buddhiraju and Lin’s junior independent work as well as the focus model of teaching and learning. At the heart of an academic paper they are writing in collaboration with graduate attributes his passion for offering free online of the pedagogical challenge is this question: students from Chiang’s EDGE Lab. courses to the importance education played Can teaching be both in massive scale and for him in the journey from poverty in his native individually effective at the same time?”

16 17 Continued from page 15 Robert Stengel (Ph.D. ’68) Robert Sedgewick and Kevin Wayne David Wentzlaff A career in science has honed Mark Mechanical and Aerospace Computer Science Electrical Engineering Zondlo’s skills of observation and Engineering Algorithms (Coursera) Computer Architecture (Coursera) analysis, and last year, he decided Launchpad Optimal Control and Estimation Analytic Combinatorics (Coursera) Assistant Professor of Electrical to put those talents to a different Robotics and Intelligent Systems Robert Sedgewick, the William O. Engineering David Wentzlaff teaches use by starting a business. helps blast Aircraft Flight Dynamics Baker *39 Professor in Computer an advanced course on computer The technical part of his plan to market a new teams Space System Design Science, coauthor of best-selling architecture that unlike many Coursera portable greenhouse-gas sensor is based Robert Stengel, a professor of introductory textbooks in computer classes, which appeal to the nov- on scientific techniques that Zondlo, an as- into business mechanical and aerospace engi- science, notes that his classes have ice, requires a serious foundation in sistant professor of civil and environmental neering, and a leading figure in the long had a global reach, thanks to electrical engineering. During his first engineering, and his co-researcher, Lei Tao, field of flight and director of the innovative course-related materials offering, 3,300 students watched all developed at Princeton over several years. But Program in Robotics and Intelligent he and Phillip Y. Goldman ’86 of the videos -- more than 30 hours the business end is grounded in a new startup by John Sullivan Systems, has been offering online Senior Lecturer Kevin Wayne main- of lectures. Subsequently, Wentzlaff methodology that is now being used to teach lecture slides and links to virtual tain online. In 2012, their websites made the course content and lectures Princeton undergraduates, among many other reference books from his Princeton had 1.5 million unique visitors. More available outside of the actual class groups. courses since 2007. His website than 250,000 people signed up for and now has about 30,000 active Called the Lean Launchpad, the method receives about 2.5 million hits a year their Coursera classes during the first users. The Coursera class has helps entrepreneurs start a company with a

from around the world, most of them year. Sedgewick says the online video benefited Princeton students in his minimal amount of capital investment. The Photo by Frank Wojciechowski to download lecture slides, which he lecture system is a boon to Princeton on-campus Computer Architecture program, created by entrepreneur Steve Blank, updates every year. undergraduates, more than half of class, he said, by “battle-hardening” relies heavily on collecting data such as whom – regardless of major -- take his teaching material and by making customer preferences and possible markets. one of his and Wayne’s computer lecture videos available as supple- James Hornthal (A.B. ’76), the 2012 James science courses. “It provides powerful mentary material. Wei Visiting Professor in Entrepreneurship tools for preceptors, who have more worked with Zondlo on his business and time for personal interaction with taught Launchpad to Princeton undergraduates students,” Sedgewick said. in a course last year. Hornthal said the system The idea for a greenhouse-gas sensor is well suited to first-time entrepreneurs. “Un- began after Zondlo and Tao’s laboratory dergraduates don’t come in with the account- model became so popular in the research LECTURE LIBRARIES Combustion Tall Buildings Engineering ing and financial skills that graduate students community that they began receiving requests Postdoctoral researcher Lei Tao, might have,” he said. “But I found them to be above, participated in a program The School of Engineering A primer on A collection the Future from their fellow scientists. “A lot of people called Lean Launchpad for start- has served up video lecture the science of talks on A different fearless, relentless. If you told them to talk to came up to me at conferences and asked if ing businesses. Visiting professor libraries on different topics of combus- skyscrapers faculty mem- 12 customers, they would talk to 15.” we had plans to sell them,” said Tao, a post- James Hornthal, below, is using for a half-dozen years. tion from sponsored ber explores Hornthal is currently using the Launchpad doctoral researcher in civil and environmental Launchpad to teach an under- methodology to advise students participating graduate course and to advise Current libraries: a summer by the a different engineering. students in Princeton’s eLab school lecture program orga- Department of Civil and Envi- topic in each of these in the Keller Center’s eLab summer accelerator Launchpad was critical in helping the team accelerator program. nized by Princeton’s Combus- ronmental Engineering. lectures. Topics range from program. answer questions about how their ideas could tion Energy Frontier Research Includes interviews with three cryptography to sustainable Zondlo and his team came to the Launch- translate into a successful business. In part, Center (CEFRC) and funded giants in the field of struc- energy. pad system after the National Science Founda- Launchpad does that by requiring the teams to by the U.S. Department tural engineering as well as a tion created a program to help researchers follow an extensive checklist and carefully log of Energy. lecture by legendary teacher bring their scientific breakthroughs to the information into a database for analysis. David Billington (BSE ’50). marketplace. Called I-Corps, the NSF program “Launchpad really allows you to focus and sends selected research teams to an eight- learn where your weaknesses are,” Zondlo week business boot camp to learn the basics. Watch these and other lectures: www.princeton.edu/engineering/video said. “It is extremely helpful in clarifying what “Basically, you learn to ask the right ques- you have to do to be successful.” tions,” Zondlo said.

18 19 Photos by Frank Wojciechowski

Course turns learning into service projects

by John Sullivan

Undergraduate students Lynn Nehme ’15 and Theodore Eyster ’13 work with Ismaiel Yakub (Ph.D. ’12), a lecturer in mechanical and aerospace engineering, on the frame for Cara de Freitas Bart’s favorite part of class is not spent in the lecture hall a “green roof” for their class’s or the lab, but in the field, helping to assemble a wind turbine or checking modular housing structure. the wiring of a solar panel. “I really enjoy being able to design a power Catherine Peters, one of two professors In another section, Ismaiel Yakub These projects are for teaching science and An EPICS class led by system that addresses a real-world need,” supervising the project, called Power-in-a-Box, (Ph.D. ’12), a lecturer in mechanical and engineering in local schools and for public Professor Catherine Peters (center in red) is developing said de Freitas Bart, a junior majoring in com- said EPICS balances two important goals. aerospace engineering, led a team last exhibition. a mobile power generator, puter science. “One is engineering design and construc- academic year that worked to create modular The newest EPICS project, an easily including a small wind turbine, Designing and building is central for tion and all that goes along with it,”said housing units that could be quickly deployed manufactured water pump, was proposed by that fits into a shipping students involved in EPICS – Engineering Peters, a professor of civil and environmental to disaster areas. In addition to designing the a group of students led by engineering under- container. Projects in Community Service. The class, engineering. “The other is addressing a need housing, the team worked on a sustainable graduates Yan Wu and David Newill-Smith. created by Princeton Engineering alumni Leah in a community and quantifying the impact of system to provide water and manage waste The team plans to design a pump that uses Jamieson (Ph.D. ’77), now at Purdue Univer- the technology. It is enormously challenging to from the units. a type of magnetic switch to drive a piston. sity, and Ed Coyle (Ph.D. ’82), now at Georgia do both.” Michael Littman, a professor of mech- If it works, the pump should prove to be easier Tech, allows teams of students to solve engi- The power project, which packs a wind tur- anical and aerospace engineering, leads to manufacture and maintain than a classic neering problems in the real world. De Freitas bine and solar panels inside a shipping con- several other teams involved in a range of rotary pump. Bart’s team is working to create a transport- tainer, has already made strides toward both projects from restoring an antique player “It’s easier to make, but it’s harder to able power station that assembles quickly at goals. In 2012, the project won a $90,000 piano to building a working replica of a historic design,” Newill-Smith said. “That is the remote or disaster-stricken locations. grant as part of a national competition run by electromagnet. The original electromagnet challenge for us.” “It is a way to take the engineering skills the U.S. Environmental Protection Agency. The was used in 1835 by Professor Joseph Henry I was learning in class and apply them to a students are now performing field tests and to lift weights in excess of 3,000 pounds. service project,” she said. working on improving the original model. 20 21 practical applications for engineering inno- official listings. They decided to send out an vations, and had recently appointed Norman email announcing the class and invite anyone Augustine (BSE ’57, MSE ’59), the former interested to report for the first session. chairman of Lockheed Martin Corp., as a “Eighty-five students showed up for the visiting professor to teach students about first day of class, and we only had 45 chairs,” engineering in the corporate world. Zschau said. From a “I thought we ought to broaden the educa- Since then, students were selected based big idea tion of students to include how science leads on written applications. It has remained popu- and a single course, to applications that help people to have better lar – the most recent offering was originally entrepreneurial lives,” Wei recalled recently. limited to 60 students but Zschau allowed Wei said visiting professors, such as 68 to enroll. Zschau keeps in touch with many culture Augustine and Zschau, presented a way of his students, and he estimates that of the of introducing new ideas into the school. more than 1,700 who took the course, about grows Stuart Schwartz, then-chairman of electrical 300 have been engaged in entrepreneurial engineering, was eager to appoint Zschau enterprises over the years. by John Sullivan to his department, Wei recalled. “The most profound impact Ed and the “You have great people who you want to class had was to make success in a startup have an influence on the faculty or the stu- company actually seem possible in a way that dents,” Wei said. “Sometimes they are tempo- no other experience at Princeton could,” said Photo by Frank Wojciechowski rary; sometimes they will stay for a long time. Darren Hammell (BSE ’01), a co-founder of The thing is to get started.” Princeton Power Systems, a manufacturer of After 16 years Ed Zschau (A.B. ’61), who transitioned this students, and faculty, to entrepreneurship both Wei said that Zschau wanted to start teach- advanced electronics for power systems. “Ed of teaching at spring from a visiting professorship to a as a possible career and as a way to approach ing immediately, even though the academic once described an entrepreneur as ‘some- Princeton, Ed post as a senior researcher at the engineer- their professional goals.” calendar had already been set for the year one who is trying to change the world using ing school, wrapped up his final “High Tech When Wei originally decided to expand the and it was too late to add his course to the resources that they don’t control.’” Zschau bowed Entrepreneur” course with his version of “My engineering school’s curriculum to include out with Way.” The song is a call for his students to more business-oriented classes, he viewed it Visitor: Faith Morrison, William R. Kenan, Jr. Visiting Professor for Distinguished Teaching of Chemical and Biological a song. pursue their own paths after Princeton, but it as a practical means of achieving a broader Engineering and the Keller Center for Innovation in Engineering Education also reflects the change that Zschau and his mission. colleagues helped bring to the engineering “It’s not just about starting companies,” matter flows). Along the way, she produced an school itself. Zschau said. “It’s about innovation; about episode on the subject for her YouTube chan- In 16 years as a visiting When then-Dean James Wei first asked him economic growth, creating jobs. It’s about nel with her co-instructor Rodney Priestley, an professor at Princeton, to fill a temporary slot – in 1997 – the school changing the world for the better.” assistant professor of chemical engineering. Ed Zschau taught his had no classes designed to assist young engi- It started with a meeting after a reunion She also helped update the curriculum for students that entre- neers with starting their own businesses. Now, weekend when Zschau, a member of the Class the chemical engineering core lab, incorporat- preneurship was not just about starting the engineering school’s Keller Center offers of 1961, sat down with Wei and several faculty ing recent industry procedures for process companies but “about a number of courses dedicated to entrepre- members to talk about ideas for expanding safety. Morrison, whose work at Michigan Tech changing the world for neurship, as well as competitions, internships the school’s curriculum. Then a professor at has focused on the topic, said students are the better.” and the eLab startup accelerator. The offer- Harvard Business School, Zschau offered a well versed in laboratory safety, but also need ings are not only open to engineers; students unique perspective with a resume including Julie Gerek-Sefa Photo by to “get a good understanding of safety culture from around the University frequently take the several business startups, two terms in Con- Faith Morrison (left) has It has been a busy year for Faith Morrison and how it works in industry.” classes and participate in other events. gress and academic positions at Harvard and helped the engineering (BSE ’83). Morrison also finished her book, “An Intro- “Jim’s original vision, and the work of Stanford. school refine its program in duction to Fluid Mechanics,” and attended the laboratory safety during her Morrison, a professor of chemical engineer- colleagues like Ed and Stu Schwartz, have The meeting went well. “It was a conflu- stay as a visiting professor. ing at Michigan Technological University, began 30th reunion of her class at Princeton. made all this possible,” said H. Vincent Poor ence of ideas and events,” Zschau recalled. her visiting year at Princeton by teaching a “It’s been busy,” she said, “but very (Ph.D. ’77), the dean of the engineering Wei, now the Pomeroy and Betty Perry Smith course in polymer rheology (the study of how enjoyable.” school. “What began as a single course has Professor in Engineering, Emeritus, had been grown into an entire program that introduces working to increase the school’s focus on the 22 23 Continued from page 21 Visitor: Hammell, who started his company just Besides the visiting professorships, the traditional internship,” Kulkarni said. He said Daniel Giammar, William R. Kenan, Jr. Visiting Professor for before graduating from Princeton in 2001, Keller Center also sponsors the Princeton that the engineering school has broadened its Distinguished Teaching of Civil and Environmental Engineering and the Andlinger Center for Energy credits Zschau with helping Princeton Power Entrepreneurial Internship Program, which curriculum to offer a large range of opportuni- and the Environment develop into a successful firm. Hammell places students at startup companies (which ties to students. “Some of the most defining frequently returns to Princeton as a guest don’t typically accept interns in the way large experiences cut across the line that defines lecturer. corporations do). The center also hosts the inside the classroom and outside the class-

Photo by Denise Applewhite Often analysts take a narrow view of energy “Ed made the less obvious career paths eLab accelerator, a 10-week summer program room.” sources, focusing on the carbon efficiency seem fun, and made sure that by the end of which offers office space, stipends and men- Those experiences might prove to be the of nuclear power or the availability of wind. the semester we would at least consider a torship to teams of student entrepreneurs. most valuable legacy. In the end, the students’ Daniel Giammar, a visiting professor from more entrepreneurial direction,” he said. The Keller Center collaborates with the stu- achievements will do far more to define the Washington University in St. Louis, is Coming full circle, Zschau and a group of dent-led entrepreneurship club and hosts nu- future of Princeton than anything else, Zschau spending his time at Princeton trying to alumni helped endow the James Wei Visiting merous talks and panel discussions that bring said. broaden that perspective by examining the Professor in Entrepreneurship at the Keller active entrepreneurs and business leaders to “The most exciting part of this whole ex- impacts of energy sources on a much Center. Since Julian Lang first filled the post in campus. The Keller Center’s annual Innovation perience for me over these past 16 years has wider scale. 2008, the professorship has seen a number of Forum extends the entrepreneurial focus to been what I have learned from the graduates A specialist in water quality and water popular appointees including John Danner and faculty members and graduate students, who who have gone out and done great things,” he treatment, Giammar spent the fall semester Derek Lidow. receive coaching from business leaders as said. “They have the ability not just to see the assisting Princeton’s Sankaran Sundaresan “Visitors add a great deal to what the they compete for business-development funds. future, but to seize it.” and Eric Larson teach their course on the school has to offer,” said Sanjeev Kulkarni, “These are things that they can’t learn “energy-water nexus.” In the spring, he director of the Keller Center and professor of in a classroom and probably can’t learn at a developed a new course on the environmental electrical engineering. “They teach things that implications of energy technologies.

Photo courtesy of Daniel Giammar are outside the traditional departmental and “Princeton has quite a few courses focused Visitor: Derek Lidow, Professional Specialist, Electrical Engineering curricular silos.” Students (top) tour the on energy, mostly from the perspective of and the Keller Center Princeton University co- Kulkarni said the goal is to “educate stu- energy technology or energy policy,” he said. generation plant as part of dents to have a significant and positive impact their course on the con- “The idea of looking at energy as a cycle, both on the world.” While most entrepreneur- is something that maybe one in 10 entrepre- nections between energy upstream and downstream, fills a niche.” and water. “Entrepreneurship is one area in which ship classes focus on neurs succeed in doing.” we feel that students can have a significant starting a new company, When Dean H. Vincent Poor asked him to impact,” he said. Derek Lidow spends most come to Princeton as a visiting professor after of his time discussing the successful sale of iSuppli in 2010, Lidow, Visitor: Joel Reidenberg, Microsoft Visiting Professor of Information Technology Policy the next stage: the time a 1973 alumnus, said he wanted to focus on between a new company’s that critical second stage of a new company’s An expert in the laws that govern the often A professor of law and the director of first steps and when it life. His highly popular course, “Entrepreneur- fractious intersection of privacy and tech- the Center on Law and Information Policy begins to run on its own. ial Leadership,” is one of the Keller Center’s nology, Joel Reidenberg’s contribution to at Fordham Law School, Reidenberg will be “Growing an offerings for students interested in a future Photo by Denise Applewhite Princeton’s Center for Information and Princeton’s first Microsoft Visiting Professor of enterprise is actually career in business. Technology Policy could not be timelier. Information Technology Policy, starting this fall. Derek Lidow, the founder of the much more perilous than starting one,” said “I try to teach them something that will iSuppli corporate research “The whole firestorm over the National Besides his academic work, he has served as Lidow, whose long business career includes make them more successful,” Lidow said. firm, now shares his knowledge the successful startup iSuppli, a supplier of “If I can help people take their ideas – and Security Administration’s (NSA) data access is an adviser to the Federal Trade Commission with students at Princeton. a current event,” said Reidenberg, who will join and the European Union. At Princeton, business information for the global electronics they don’t necessarily have to be a for-profit the faculty as a visiting professor in the fall. Reidenberg plans to lecture and conduct industry. “Getting a company to the point at company – and create a tangible reality, that is which it is value-producing and self-sustaining about as fulfilling as it gets.”

Photo courtesy of Joel Reidenberg “The deeper issue is what does the law allow, scholarly research in the fall semester and Joel Reidenberg and what are the policy rationales for access teach a course in the spring. to citizens’ personal information.”

24 25 26 Recent Faculty Awards Top national award for young researcher goes to Mung Chiang 27 FACULTY Chemical and Biological Engineering Electrical Engineering Mung Chiang, a professor of electrical Chiang, who uses innovative mathematical FACULTY NEWS NEWS Ilhan Aksay Mung Chiang engineering, was awarded the National analysis to simplify and strengthen the design Fellow, American Association for the PROSE award, Association of American Science Foundation’s highest honor for young of wireless networks, is the founder Advancement of Science Publishers researchers, the Alan T. Waterman Award. of Princeton’s EDGE Laboratory, Frederick Emmons Terman Award, American The Waterman Award is granted annually to which works to bridge the gap Pablo Debenedetti Society for Engineering Education Institute Lecturer, American Institute of one outstanding young researcher in science between network theory and Chemical Engineers Hisashi Kobayashi (Ph.D. ’67) or engineering fields supported by the founda- real-world applications. C&C Prize Group B Award, NEC Corp. tion. The award, open to researchers aged Princeton University also recently Christodoulos Floudas 35 and younger, provides a $1 million grant honored Chiang by conferring him H. Vincent Poor (Ph.D. ’77) Fellow, Society for Industrial and Applied to support further research. The award cites with the endowed title of Arthur Corresponding Fellow, Royal Society Mathematics Chiang’s “fundamental contributions to the LeGrand Doty Professor of Electrical of Edinburgh James Link (BSE ’00) analysis, design and performance optimization Engineering. Sloan Fellow of wireless networks.” Mechanical and Aerospace Engineering Mung Chiang Lynn Loo Lynn Loo (Ph.D. ’01) Philip Holmes Engineers elected to national academies Inaugural Fellow, American Mathematical Fellow, American Physical Society Edward Felten, Felten served as chief technologist for the Society U.S. Federal Trade Commission from 2011 to Athanassios Panagiotopoulos professor of Fellow, American Association for the Chung (Ed) Law computer science 2012. Fellow, American Association for the Advancement of Science and public affairs, Naomi Leonard (BSE ’85), the Edwin S. Advancement of Science has been elected Wilsey Professor of Mechanical and Aero- Rodney Priestley as a member of the space Engineering, and Jennifer Rexford PPG-DPOLY Polymer Lecture Exchange Operations Research and National Academy (BSE ’91), the Gordon Y.S. Wu Professor in 2013 Emerging Scholar, Diverse magazine Financial Engineering of Engineering, the Engineering and professor of computer sci- Jianqing Fan highest honor in the ence, have been named fellows of the Ameri- Pao-Lu Hsu Prize, International Chinese Rodney Priestley Civil and Environmental Engineering United States across can Academy of Arts and Sciences. Founded Statistical Association Erik Vanmarcke Edward Felten all engineering in 1780, the academy honors achievement Distinguished Member, American Society William Massey (A.B. ’77) disciplines. in science, the arts, and civic and business of Civil Engineers Inaugural Fellow, Felten, who is the founding director of leadership. Computer Science American Mathe- Princeton’s Center for Information Technology Leonard specializes in control theory and Naomi Leonard Moses Charikar matical Society Policy, was recognized for “contributions to the nonlinear dynamics. Her current re- Paris Kanellakis Theory and Practice Award, security of computer systems and for impact search focuses on the feedback mechanisms Association for Computing Machinery on public policy.” of collective motion and collective A nationally recognized authority on decision-making in multi-agent systems with Zeev Dvir computer security and privacy, Felten and his application to studying animal group dynam- Sloan Foundation Research Fellowship co-researchers have produced critical analyses ics and to designing mobile robotic sensor Kai Li of electronic voting networks for environmental monitoring. Her SIGOPS Hall of Fame Award, Association systems, digital work also explores the intersection of engi- William Massey for Computing Machinery copyright protec- neering and art. One project, Flock Logic, used tion plans and the designed feedback to develop choreographic Moses Charikar Jennifer Rexford (BSE ’91) Named to “Ten Cloud Trailblazers for 2013” by Secure Digital Music tools for dance. GigaOM Initiative. Frequently, Rexford specializes in computer his reports have ex- networking, with an emphasis on making posed security flaws future networks easier to design and manage. and led to policy Her current research focuses on software-de- changes. fined networking, a technique for enabling innovation through greater programmability Jennifer Rexford inside the network. 28 29 FACULTY UNDERGRAD NEWS NEWS Graduating seniors honored for ‘Big goals’ and ‘infectious enthusiasm’ cited in teaching awards scholarship and service Five members of the Engineering School faculty Michael McAlpine, an assistant professor At the Class Day ceremonies Class Of 1916 Cup were honored this year for their accomplish- of mechanical and aerospace engineering, on June 3, engineers received Rory Loughran ments in teaching and mentoring students. received the University’s Graduate Mentoring a range of honors from the Mechanical and Aerospace Andrew Houck (BSE ’00), an associate pro- Award, which honors faculty for their support of School of Engineering and Engineering fessor of electrical engineering, received the graduate students’ development as teachers, Applied Science as well as President’s Award for Distinguished Teaching. scholars and professionals. McAlpine, whose from the University as a whole. George J. Mueller Award Houck was one of four faculty members who research focuses on combining electronic and The winners listed below were Candace Button received the award at Commencement June 4. biological materials, recently taught classes among the 237 recipients Computer Science Colleagues credited Houck for fueling inter- including an introduction to nanotechnology of the degree of bachelor of Hannah Safford est in electrical engineering courses at the and mathematics in engineering. science in engineering in the Chemical and Biological Andrew Houck undergraduate and graduate levels. Under his “Professor McAlpine told me in our first Class of 2013. Engineering oversight, the course “Introduction to Quantum meeting that he encourages us to pursue big Computing” has more than doubled in enroll- goals,” one student wrote. “To achieve a J. Rich Steers Award Calvin Dodd MacCracken ment, drawing students from across the sci- big goal, novelty is essential, and therefore Rory Loughran Senior Thesis/Project Award ences and engineering. “Andrew’s high-quality the very first thing I learned from Professor Mechanical and Aerospace Gregory Hughes teaching and his infectious enthusiasm for the McAlpine was creativity.” Engineering Mechanical and Aerospace topic, which at times can be very technical, Robert Sedgewick, the William O. Baker Tessa Maurer Engineering have made the course a major hit,” noted a *39 Professor in Computer Science, and Civil and Environmental Hayk Martirosyan faculty member. Kevin Wayne, the Phillip Y. Goldman ’86 Senior Engineering Mechanical and Aerospace “When working with me, he has spent a Lecturer in Computer Science, were awarded Engineering Jeffrey O. Kephart ’80 Prize lot of time teaching me how to think and be a the excellence in undergraduate teaching Brendan O’Leary in Engineering Physics good experimentalist, rather than just solving award by the Princeton chapter of Phi Beta Mechanical and Aerospace Amaresh Sahu my problems,” one graduate student said. Kappa. The two lead courses in algorithms Engineering Chemical and Biological Claire Gmachl, the Eugene Higgins Profes- and introductory computer science (see page Thomas Owlett Jr. Engineering Claire Gmachl sor of Electrical Engineering, was awarded the 12). In the past academic year, Sedgewick and Mechanical and Aerospace School of Engineering and Applied Science Wayne taught more than 250,000 students Engineering Tau Beta Pi Prize Distinguished Teaching Award. Since joining as part of the University’s participation in the Christopher Payne John Subosits the Princeton faculty in 2003, Gmachl has Coursera educational website (see page 14). Electrical Engineering Mechanical and Aerospace developed several new courses, including an “Their hard work has paved the way for Engineering introductory optics class and the engineering countless students to go from not knowing Lore Von Jaskowsky Jennifer Tang school’s graduate-level ethics research course. the first thing about computer science to Memorial Prize Electrical Engineering In voicing support for her award nomination, being able to apply it and even making it the Kaitlin Stouffer colleagues cited Gmachl’s innovative teaching centerpiece of fulfilling professional lives,” Computer Science Joseph Clifton Elgin Prize methods and her dedication to her students. then-seniors Max Rabinovich ’13 and Ilias Peter Szerzo Amy Ousterhout “The School of Engineering is blessed with Giechaskiel ’13 wrote in their commendation. Civil and Environmental Computer Science Michael McAlpine (left) and many great teachers. What sets Claire apart is Engineering Kaitlin Stouffer graduate student Manu Mannoor her amazing record of mentoring,” one wrote. Computer Science “She takes on the mentoring role with almost a James Hayes-Edgar Palmer missionary zeal.” Prize in Engineering Allen Macy Dulles ’51 Award

Students recounted examples of Gmachl Aman Sinha Wojciechowski Frank Photos by Kitan Akinosho working late or making an extra effort to help Mechanical and Aerospace Clockwise from top: Dean H. Vincent Poor congratulates Kaitlin Stouffer; Operations Research and them with their projects. “I wish to someday be Engineering Aman Sinha; Thomas Owlett Jr., Christopher Payne and Hayk Martirosyan; Financial Engineering as much of an inspiration to a peer of mine as Peter Szerzo; Poor and Amaresh Sahu; Poor and Jennifer Tang; Amy Ousterhout and Stouffer. she is to me,” one said. 30 31 UNDERGRAD UNDERGRAD NEWS Photos by Denise Applewhite NEWS

Social entrepreneur heads to G20 meeting ENGINEERS WIN Carmina Mancenon, a senior, is representing INTERNATIONAL FELLOWSHIPS Aman Sinha Victoria Solomon Amy Ousterhout Kaitlin Stouffer Anna Kornfeld Japan at this summer’s G20 meeting in Rus- A number of members of Sinha, a mechanical and An electrical engineering Ousterhout, a computer A computer science major Simpson sia as part of a program in which each G20 the engineering school’s aerospace engineering major from North Wales, Pa., science major from Palo Alto, from Potomac, Md., Stouffer A senior from San Diego, nation sends one representative to the G(irls) 20 Summit. Mancenon, who is from Tokyo and Class of 2013 won highly major from Ivyland, Pa., Solomon plans to pursue a Calif., also was awarded a was awarded the Daniel Calif., Kornfeld Simpson was one of two national winners Manila, is majoring in operations competitive scholarships was the valedictorian of the master’s degree in medical Hertz Fellowship for graduate M. Sachs Class of 1960 Class of 2013 (see page electronics and physics studies. She also has been Graduating Scholarship of the Palantir Scholarship research and financial engineering and to support their continuing 1). Sinha will go on to study in the United Kingdom on offered a National Science and a Gates Cambridge for Women in Technology and pursuing certificates in environmental stud- studies after graduation. information engineering at a Marshall Scholarship. Foundation fellowship and is Scholarship. She will pursue also received a Google Anita ies, technology and society, and engineering Among them: the University of Cambridge Solomon said she wants to a winner of a Google Anita a master’s in medical Borg Memorial Scholarship. and management systems. She serves as on a Churchill Scholarship. concentrate her studies on Borg Memorial Scholarship. genetics at Cambridge. A computer science major, vice president of the Undergraduate Student In 2014, he is scheduled developing technological Ousterhout’s work focuses Stouffer plans to pursue her she worked with Professor Government, and was one of nine recipients to pursue a doctorate in systems that can assist on computer networks. During Sachs Global Scholarship Michael Freedman on a of this year’s Spirit of Princeton Award. Active electrical engineering at people with physical her junior year, she developed in South Africa after she project to improve website in social entrepreneurship through Princeton’s Stanford University on a disabilities. She said that her a system that relies on short- completes her master’s security and ensure that Keller Center, Mancenon cofounded the Hertz Fellowship, which time at Princeton, including range telecommunications program at Cambridge. She users’ data remains secure Sustainable Fashion Initiative, a nonprofit carries $250,000 in an independent project on methods to circumvent plans work at the K-RITH even if certain accounts organization that seeks to minimize environ- funding. Sinha plans to remote biomedical sensors, widespread censorship. The Institute in the South African on a site are compromised mental harm throughout the lifecycle of concentrate his future work showed her how to make system uses Bluetooth or coastal city Durban, building by hackers. She has also clothing, from raw materials to disposal. at the intersection of control technology that can lead Wi-Fi devices to disseminate a computerized prediction worked on autonomous Photo by Brian Wilson systems, which deal with to social improvements. In short message that, because mechanism that will use navigation for an underwater input and feedback, and an independent project in they do not use conventional machine-learning algorithms robot, which has been used machine learning, which her senior year, Solomon cellular networks or the and other tools to estimate for archeological fieldwork deals with making decisions collaborated with other Internet, are difficult to block. drug resistance based on a in Malta. Kornfeld Simpson, based on data. In his senior researchers to build a Ousterhout plans to pursue a tuberculosis strain’s genetic who is pursuing a certificate thesis, he proposed an more affordable, portable Ph.D. in computer science at makeup. The goal is to allow in technology and society, improvement to a current communication device the Massachusetts Institute for tuberculosis patients to also won a 2013 scholarship system for analyzing how for patients with the of Technology, continuing be treated more effectively from Microsoft. groups of individuals come to neurodegenerative disease her work in networks and at an earlier point in the common decisions. amytrophic lateral sclerosis distributed communications. disease. Stouffer hopes also (ALS), also known as Lou to earn a medical degree Gehrig’s disease. and a Ph.D. in computer science, eventually becoming a physician-scientist. Carmina Mancenon, majoring in operations research and financial engineering, helped start an organization that promotes environmental responsibility in fashion. 32 33 GRADUATE GRADUATE NEWS NEWS

The graduate students Josephine Elia Nathaniel Chaney Prakash Prabhu Maika Takita Fadi Abdeljawad Daniel Lacker who come to Princeton Chemical and Biological Civil and Environmental Computer Science Engineering Engineering Electrical Engineering Mechanical and Aerospace Operations Research and Engineering from around Previous Institution: Indian Previous Institution: Previous Institution: University Institute of Science, Previous Institutions: Engineering Financial Engineering the world bring extraor- Massachusetts Institute of of California-Berkeley Bangalore, India International Christian Previous Institution: Previous Institution: Carnegie dinary talents and strong Technology Adviser: Eric Wood Adviser: David August University, Tokyo, and North Carolina State Mellon University Adviser: Christodoulos Columbia University University Adviser: René Carmona research interests. Accurate monitoring and Floudas As computer-hardware mak- Adviser: Stephen Lyon Adviser: Mikko Haataja Teaming up with their prediction of the water cycle ers run into limits on making Lacker is working on “mean faculty advisers, fellow Elia’s research focuses on allows time to prepare and ever faster and more powerful A key challenge for realizing Abdeljawad’s research takes field games,” a promising new students and post- optimizing energy systems for mitigate the effects of floods chips, a current trend is to the potentially revolutionary an interdisciplinary approach method for studying certain doctoral colleagues, the transportation sector in and droughts on ecosys- speed up complex programs benefits of quantum com- to investigating the behav- types of competitive games ior of materials systems in consisting of large popula- these students take the United States. Her goal tems, crops, infrastructure by running them on multiple puting is to control small is to design processes to and the population’s water numbers of electrons without response to various physical, tions of agents. Many large- leading roles at the chips at once. This approach, convert domestically avail- needs. The advent of global however, has required ex- disturbing the information chemical and/or mechanical population games encoun- highest levels of able resources such as coal, water observation networks, tensive reprogramming of each carries. Takita and her cues. A specific area of inter- tered in economics, finance, research. These pages biomass and natural gas to satellite data, and computer software originally designed collaborators have built a est is the role of materials biology and other fields have a offer just a few liquid fuels like gasoline, models now provide reliable to work on a single chip. charge-coupled device (CCD) – interfaces in solid oxide fuel symmetry or anonymity about examples. diesel and kerosene. Elia’s hydrologic data to address Prabhu has been designing a similar to the sensor in a cells (SOFCs), a promising them; a single agent is not work also optimizes the this challenge. Chaney is range of techniques to enable digital camera – that controls route to the efficient produc- concerned with who is making nationwide and regional developing and improving parallelization of sequen- the movements of electrons tion of electricity. Materials what decision, but only with supply chains associated these hydrologic computer tial programs with minimal that float on liquid helium. aging and reduction-oxidation the distribution of the deci- with these processes for the models through the use of programming effort. Currently, The device efficiently moves (redox) cycles are some of sions of the other agents. For United States and addresses supercomputers and state-of- he is evaluating the effective- electrons over billions of the degradation mechanisms example, a single fish in a strategic planning approaches the-art mathematical models. ness of his techniques on pixels without transfer failure. that hinder the use of SOFCs school of fish bases its move- to developing these supply Another challenge is timely several programs that are She also designed electron in large-scale commercial ments on the movements of chains over a long time hori- and effective dissemination actively used by scientists “turnstiles” that single out applications. Abdeljawad is the whole school, not on any zon. Key questions she seeks of the water information to at Princeton in their day-to- individual electrons to be developing mathematical single fish. A single investor to resolve are when the fuel local farmers, government day research. Many of these moved around the CCD array, models to understand the in- is not concerned with how his synthesizing plants should be agencies and other stakehold- programs are data-intensive, necessary in using these terplay between performance neighbor invests, but rather built, and where they should ers. To this end, Chaney also and execute together for days electrons as quantum bits. degradation due to materials with the movements of the be located across the country is developing software and and weeks. Parallelizing them Takita currently is fabricating aging and redox cycles and market as a whole. Since this to replace or supplement the Web-based tools to enable without requiring significant a new device to measure the SOFC attributes at the micro- approach is relatively young, petroleum-based fuels. easy and intuitive access to programmer effort would go duration of spin relaxation scopic scale. Furthermore, he Lacker is contributing to devel- the information. Already, an a long way in accelerating the and coherence, which is how is using computer simulations oping mathematics that can African water monitor has pace of scientific research at quantum information is stored to devise SOFC systems that be used to study a wide vari- been designed, implemented large. and is critical for practical are tolerant to degradation ety of large-population games and is actively being used by quantum computing. mechanisms and can sustain that arise in applications. local governments throughout a high level of electrochemi- Africa. cal performance for extended periods of time. Engineering alumni 34 Seeing the ceiling: Ochsendorf 33 honored for achievements sheds light on the iconic work ALUMNI ALUMNI NEWS Drexel University’s College of Engi- The American Society Rajiv De Silva was of a little-known builder NEWS neering awarded its annual Engineer of Civil Engineers (ASCE) named president and It was sitting in lectures by now-emeritus of the Year Award to Linda Abriola, named Jameelah Muham- chief executive officer of professor David Billington (BSE ’50) that John dean of engineering at Tufts University. mad one of its “10 under Endo Health Solutions Ochsendorf (MSE ’98) began to appreciate the Abriola, who earned her Ph.D. in 30” in its 2013 New Faces Inc., a Pennsylvania-based powerful synthesis of art and engineering that civil engineering from Princeton in of Civil Engineering pro- company specializing in can emerge from structural surfaces such as 1983, was the only woman to earn a gram. A structural engineer pain management and shells and vaults. bachelor’s in civil and environmental at Parsons Brinckerhoff’s urology. De Silva also “I came to Princeton for one reason and engineering in Drexel’s Class of 1976. Chicago office, Muhammad works in the mov- became a member of the pharmaceutical com- that was David Billington,” said Ochsendorf, Frances Arnold, the Dickinson Professor of able bridges department to preserve, inspect pany’s board of directors. De Silva received who was a teaching assistant in Billington’s Chemical Engineering, Bioengineering and Bio- and modify those structures. Muhammad a BSE in civil engineering and operations iconic course, “Structures and the Urban chemistry at the California Institute of Technol- graduated from Princeton in 2004 with a BSE research from Princeton in 1989. Environment,” before earning his master’s ogy, won the U.S. National Medal of Technol- in civil and environmental engineering and a Douglas Hensler was degree in 1998. Fifteen years and a Mac- ogy and Innovation, which she received at a certificate in architecture and engineering. named the 14th provost Arthur Fellowship later, Ochsendorf is a pro- White House ceremony in June. She also won John Seinfeld, the of the Naval Postgraduate fessor at the Massachusetts Institute of the Eni Award from the Italian-based energy Louis E. Nohl Professor School in Monterey, Calif. Technology, and a leading scholar in the me- company, Eni, for her work in the discovery of and Professor of Chemical Hensler, who was previously chanics and aesthetics of historical buildings. new methods for the production of biofuels. Engineering at the Califor- dean of the W. Frank Barton In recent years, Ochsendorf has turned Arnold earned a bachelor’s in mechanical nia Institute of Technology, School of Business at his attention to the work of Spanish architect and aerospace engineering from Princeton in has been elected to the Wichita State University, and builder Rafael Guastavino, whose family 1979. National Academy of received a BSE in mechanical and aerospace company built spectacular vaulted ceilings Eli Harari, the cofounder of the SanDisk Sciences. Seinfeld earned engineering from Princeton in 1969. in scores of public buildings in the early 20th Corporation, was elected to the National Acad- his Ph.D. in chemical engineering at Princeton The Pittsburgh-based aluminum producer century. Ochsendorf published the book emy of Engineering. The academy recognized in 1967. Alcoa promoted Eric Roegner to chief operat- “Guastavino Vaulting: The Art of Structural Harari for “technology advances of commercial Eric S.G. Shaqfeh, chair of the Department ing officer of investment castings, forgings and Tile” in 2010 and has now organized an flash memory systems.” Harari earned his of Chemical Engineering and Lester Levi Carter extrusions. Roegner earned a BSE in mechani- exhibit at the National Building Museum in Ph.D. in mechanical and aerospace engineer- Professor in the Departments of Chemical cal and aerospace engineering from Princeton Washington, D.C. The exhibit, “Palaces for the ing at Princeton in 1973. Engineering and Mechanical Engineering at in 1991. People: Guastavino and America’s Great Public Robert Kahn, widely credited with being Stanford University, has been elected to the fred Smagorinsky was Spaces,” opened March 16 and is scheduled one of the fathers of the Internet, was named National Academy of Engineering. Shaqfeh appointed chief executive to run through Jan. 20, 2014. a winner of the first-ever Queen Elizabeth graduated from Princeton in 1981 with a BSE officer of Artic Glacier Guastavino vaults, characterized by bold Prize for Engineering. Organizers of the prize, in chemical engineering and a certificate in Holdings, Inc., a Winnipeg- tile work spanning vast open spaces, are which includes an award of 1 million British engineering physics. based producer and distri- defining elements of buildings such as Grand pounds, cited Kahn, along with Louis Pouzin, butor of packaged ice. Central Terminal and the Supreme Court. Tim Berners-Lee, Marc Andreessen and Vinton Alumni take on He also sits on the Princeton’s chapel has a Guastavino ceiling. Cerf, for “major contributions to the develop- leadership positions company’s board of More than decoration, the ceilings represent a ment of the Internet and the World Wide Web.” Alex Blanco has joined Ecolab, a St. Paul- directors. Smagorinsky earned a BSE in civil bridge between ancient craftsmanship and Kahn received his Ph.D. in electrical engineer- based provider of water, hygiene and energy engineering and operations research in 1981 modern engineering, spanning distances that ing from Princeton in 1964. technologies and services, from Princeton. had not previously been possible, but predat- Sherilyn McCoy, CEO of Avon Products as executive vice president Flatfrog Laboratories, a provider of ing reinforced steel, which became prevalent and a former executive at Johnson & and chief supply chain offi- precise touch-control technology based in later in the 20th century. Johnson, gave the undergraduate comm- cer. Blanco earned a BSE in Lund, Sweden, announced that Dhwani Vyas “They took a method that was somewhat encement address at the University of mechanical and aerospace was appointed president and CEO. Vyas limited and traditional, and they took it to a Massachusetts-Dartmouth this May. She engineering from Princeton earned an MSE in chemical engineering from whole new scale,” Ochsendorf said. also received an honorary doctor of business in 1982. Princeton in 1993. at the ceremony. McCoy earned an M.S. in chemical engineering from Princeton in 1982. 35 School of Engineering and Applied Science Princeton, NJ 08544-5263 www.princeton.edu/engineering [email protected]