Meet the Authors

Richard P. Binzel is a professor of planetary sci- evolution of icy bodies and of the composition of the surfaces of the ence at MIT and holds a MacVicar Faculty Fellowship airless bodies, comets and asteroids. She has been involved in a large in recognition of outstanding teaching. He number of space missions. She is the scientifi c director of the Small received his undergraduate degree in physics from Bodies Node of Europlanet. The asteroid (17899) Mariacristina is named Macalester College and his PhD in astronomy in her honor. from the University of Texas. He is the recipient of a Presidential Young Investigator Award and Michael J. Gaffey is the Chester Fritz Distinguished the Harold C. Urey Prize of the Division for Professor of Space Studies in the John D. Odegard Planetary Sciences of the American Astronomical Society, and he is a School of Aerospace Sciences at the University of fellow of the Meteoritical Society and the American Association for the North Dakota. He received a BA and an MS in Advancement of Science. His principal research is in planetary spec- geology from the University of Iowa and a PhD troscopy, and he specializes in the visible to near-infrared wave- in Earth and planetary sciences from MIT. He has length refl ectance properties of asteroids and meteorites. specialized in the calibration of visible and near- infrared spectra for meteorites and in the inter- Addi Bischoff is a planetary scientist at the pretation of VNIR spectra of asteroids for determining compositions Institut für Planetologie at the Westfälische and geologic histories. He was a participating scientist on the NEAR Wilhelms-Universtät Münster, Germany. He spacecraft mission to asteroid 433 Eros and is currently a participating studied mineralogy in Münster, where he received scientist on the DAWN spacecraft mission to asteroid 4 Vesta. his Dr. rer nat., and he has worked in Albuquerque (Institute of Meteoritics), Mainz (Max Planck Cyrena Goodrich is a meteoriticist and petrologist Institute for Chemistry), and Münster. In 1997, whose research focuses on the earliest stages of he was appointed as a research professor of plan- planetary differentiation in our Solar System. She etology. Addi is fascinated by the mineralogy and cosmochemistry of has worked for over 25 years on various aspects different types of meteorites and their uses as tools to understand the of the petrology and geochemistry of the ureilite origin and formation of the fi rst solids in the solar nebula, as well as meteorites. She has also worked on other groups the accretion and evolution of planetary bodies. He has been a councilor of primitive achondrites, chondrites, and Martian of the Meteoritical Society (2003–2006) and was honored with the and lunar meteorites. She is currently a senior Albert Maucher Award for Geosciences from the German Research research scientist with the Planetary Science Institute (Tucson, AZ). Foundation (DFG) in 1993. She received her PhD in 1983 from Cornell University, and has worked in research positions at the Institute for Meteoritics, the Lunar and Edward A. Cloutis is a professor in the Department Planetary Laboratory, the Max Planck Institut für Chemie, and the of Geography at the University of Winnipeg. He Hawai’i Institute for Geophysics and Planetology. received a PhD in geology from the University of Alberta in 1989. His research interests include the Guy Libourel is an experimental cosmochemist use of refl ectance spectroscopy for mapping plan- now working at the Observatoire de la Côte d’Azur etary surfaces and the analysis of terrestrial ana- in Nice (UMR-CNRS 7329, Géoazur and UMR- logue sites. He established, and serves as director CNRS 7293 Lagrange) and, formerly, at the Centre of, the Planetary Spectrometer Facility (HOSERLab) de Recherches Pétrographiques et Géochimiques at the University of Winnipeg. He is a project scientist for the New (Nancy) and as a professor of petrology at the Frontiers OSIRIS-REx asteroid sample-return mission, a participating École Nationale Supérieure de Géologie, Université scientist-collaborator for the Mars Science Laboratory mission, and a de Lorraine. He is also an affi liated professor at co-investigator on the JAXA Selene-2 mission. the Hawai’i Institute of Geophysics and Planetology. His research has focused on understanding the conditions of formation of the fi rst solids Catherine M. (Cari) Corrigan is a geologist and in the Solar System (CAIs and chondrules) using high-temperature the curator of Antarctic Meteorites at the experimental approaches. As co-investigator on OSIRIS-REx, NASA’s Smithsonian Institution’s National Museum of New Frontiers 3 sample-return mission to an asteroid, his current Natural History in Washington, DC, USA. She interest centers on the thermal and mechanical properties of the rego- received a BS and an MS in geological sciences lith of small bodies. from Michigan State University and a PhD in geology (2004) from Case Western Reserve Harry Y. McSween is Chancellor’s Professor of University. Her research involves the impact his- Earth and Planetary Sciences at the University of tory of Martian and lunar meteorites, as well as ordinary chondrites. Tennessee. He received a PhD from Harvard She is currently a member of the Pancam team on the Mars Exploration University in 1977. Unlike most geologists, Rovers. McSween’s attention is drawn to rocks falling from the heavens rather than to those already Maria Cristina De Sanctis is a scientist working underfoot. He has published hundreds of papers in the fi eld of planetary surfaces and small bodies on meteorites, most recently focusing on HED in the Solar System. She holds a degree in physics meteorites from asteroid Vesta. He is currently a co-investigator for the and a PhD in astronomy. She is an expert in Dawn spacecraft mission, as well as for the Mars Exploration Rovers instrumentation for planetary missions, spectral and the Mars Odyssey orbiter. data processing, and thermal-evolution models of planetary bodies. She uses observational and theo- retical approaches in her study of the thermal ELEMENTS 8 FEBRUARY 2014 Patrick Michel is a senior researcher at the CNRS, Thomas H. Prettyman is a senior scientist at the where he leads the Lagrange Laboratory’s plane- Planetary Science Institute and an adjunct pro- tology group at the Côte d’Azur Observatory in fessor at the University of New Mexico, Institute Nice. He obtained a degree in aeronautical and of Meteoritics. He received his PhD in nuclear space engineering (1993) and received a PhD in engineering from North Carolina State University astrophysics in 1997. His research focuses on the and has applied nuclear spectroscopy to planetary collisional process between asteroids, their evolu- science and exploration. He has experience map- tion and physical properties, the origin of near- ping the elemental composition of the Moon and Earth objects, and the risk of Earth impacts. He is a co-chair of the Mars from NASA’s Lunar Prospector and Mars Odyssey missions. He is science team for the MarcoPolo-R sample-return mission to a primitive a co-investigator of the NASA Dawn mission, for which he is the lead asteroid under study at the European Space Agency and is a co-investigator for geochemistry and the Gamma Ray and Neutron Detector. His on the NASA OSIRIS-REx and JAXA Hayabusa-2 missions. He was present research includes studies of cosmogenic radionuclides, lunar awarded the Carl Sagan Medal of the American Astronomical Society volatiles, the surface and atmosphere of Mars, and processes that shaped in 2012 and the Paolo Farinella Prize in 2013. main belt asteroids Vesta and Ceres. David P. O’Brien received his BS in applied Akira Tsuchiyama is a mineralogist and a team physics from Cornell University in 1998 and his leader of the Hayabusa Asteroidal Sample PhD in planetary science from the University of Preliminary Examination Team of the Japan Arizona in 2004. He was a Poincaré Fellow at the Aerospace Exploration Agency (JAXA). He received Observatoire de la Côte d’Azur, Nice, in 2005 and his undergraduate and master’s degrees from has worked as a research scientist at the Planetary Tohoku University and his PhD from the Science Institute since 2006. His research interests University of Tokyo. After spending 12 years at include the evolution of the early Solar System, Osaka University, he recently relocated to Kyoto terrestrial planet formation, and the collisional and dynamical evolu- University, where he is a professor in the Graduate School of Science. tion of asteroids and small bodies. He is a participating scientist for His research involves mineralogical and petrological studies on extra- NASA’s Dawn mission to asteroid 4 Vesta. terrestrial materials, particularly their three-dimensional structures and experimental reproduction. New crystaldiffract www.crystalmaker.com/ Your Desktop Diff ractometer. CrystalDiff ract® 6 liberates your powder diff raction data: placing you fi rmly in control with easy measurement & analysis tools, combined with real-time XRD/neutron simulations. ELEMENTS 9 FEBRUARY 2014 .

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