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History of HEPL Hansen Experimental Physics Laboratory

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History of HEPL Hansen Experimental Physics Laboratory History of HEPL Hansen Experimental Physics Laboratory going away party before demolition November 5, 2007 (prepared by Blas Cabrera with information from Stanford News archives and web) STANFORD UNIVERSITY A To Foothill Expressway I R JUNIP A ERO M SE To Interstate 280 via Page Mill Rd RRA A BLV T D N G A ERON S A RD ESTUDILLO RD SANT MIR A YNE ADA Z ST AVE D Hanna R House EL ESCARPADO S CA ' BRI N LLO A AVE Lou Henry M L T H Hoover House E C C A To N O F T E S Golf Course D A A N S R J A U R A S F N E R N R A C A O O V L S L O O A D K S E MAYFIELD AVE C Y To Interstate 280 ON L ST S N AN AN via Alpine Rd ZO JU V S AN E AL T PAR L or Sand Hill Rd V AI O WY A SO M A T AD S IT AN T S Row PL SA A ES L VAT A Hsg C O IER E T D RA E Off The A S V Knoll N T I M R O AY R T F D L S IE LAGUNITA O AN LD S C E Z A U South B E VE N P Golf Driving Range A Y M RD LV A A Residences Elliott L AR T C Program IL A N Pearce H DO A Center E SAN S Mitchell L N RO O PI FRANCISCO SF TER W Houses Florence M IT CT Moore Hall A D Tennis AVE R Huston MAYFIELD Bechtel Courts T House Int’l o S Center ta Cowell Bolivar Serra Governor’s Corner n N ELECTIONEER fo Cowell L House rd Student Roble LANE L A Cluster L Faculty ve L Health Owen Mariposa R Hall Red Houses E B n Center A D Club u N Barn O e Bike NIT Harmony R The W SHC GU DO O Bridge Shop LA House Sterling IN C Annex S Quad T Rogers Y R West Dinkel- Bowman D W Black T E T Kresge spiel Alumni O House L Residences B Aud Braun Aud B Lagunita B O A Music Ctr Court Tresidder R Rains East Residences Union SANTA TERESA ST Houses Post Office SANTA TERESA LN Clubhouse A Terman Y White N 610 G E E Engineering W O V Plaza U School Ctr A S Roble Gym V I D Old Press E of Law Old S Bookstore R R Fire Bldg E T Union R N Storke L S O Roble House O Center for O E M R Mirrielees Bldg Pool B Educational ’ 590 570 560 S R W House Research A A E (CERAS) V S E V O Campus Center Noble I Escondido Career Mitchell Durand L 540 R Village Planning D Sweet SEARSVILLE RD Ctr 500 520 550 PANAMA ST Stern Hall S Wilbur Hall Hall 530 HEPL T ESCONDIDO RD U S Meyer School of 1972 P A Clock Skilling Library Salvatori Parking M E Education A Tower Kimball Hall Branner Hall Memorial Church Science & Structure E 260 320 AEL Carnegie C V I 300 310 McCullough Engineering Institution R Library D High rise Crothers Green 1965 1955 Cypress Forsythe S Halls 40 50 60 70 A buildings in Quad Library I Hall U Physics O A P Escondido 250 30 80 360 U Ginzton Lab Polya U Lecture SEL G Q M E 1948 Toyon O Hall E STOCK FARM T A Village: L Hall S 1955 A 1959 R Spruce C Main Quad P P O A Encina Commons N 240 20 90 370 A A Manzanita II I Abrams Hoover I A V Barnes Memorial Bldg 10 1 110 100 V M Electronics 1960 Redwood A Blackwelder 1961 Labs Applied S Manzanita Cummings 170 Cedar Pine T Hoskins Park Art Bldg I VIA PUEBLO Physics Varian Labs P Ventura Hulme (Trailers) Eating S Jordan Quad Hall Clubs 200 160 120 460 420 380 E Sequoia McFarland Lou Henry Hoover R Hall Cordura C Encina Hall Tower Hall Quillen Hoover Bldg Art Gallery A I V SERRA ST SERRA ST Center for Integrated Cogen Escondido Systems Facility Burnham Pavilion Memorial Hall Graduate Village Y School of T W S Business Police Tennis O Herrin Hall Med School Z L L Services Courts E and Labs Office Bldg E V L Serra U RAF 1 & 2 A G The Oval Old Stauffer III G Complex R l Chem a A Dept of e Littlefield Bldg Stauffer II Mayer Cancer Fire Athletics MEMORIAL WAY Fairchild R Station Center Biology Bldg. D o T G Center n S Stauffer I R i o N lt I Beckman m H A A ID Center a C R S Band Organic o L C l R Shak Utilities R C Chem E l a I A circa 1992 Psychiatry E E A M P W S N P Mudd o d Maples US Bldg T n O D Keck Chem a B Pavilion RI Science School of VE Bldg Medicine Operations ROTH WAY & Maintenance Central Encina Gym Anatomy Stores Rodin Credit Union Sculpture Medical Sand Hill Rd Varsity Galvez Garden Parking PASTEUR DRIVE House Clinic Center Recycling Football Tennis Laurence Frost Structure Practice Field Courts Amphitheater P Center AM Athletic PA Tennis MUSEUM WAY Grounds R S L HOME N Club- D Dept T house Emer- R R 1100 S Health Food Angell U D gency Hospital N Services DeGuerre Field Res & B A L Track E I T Policy U Pools & I House Stanford W S Courts M Bldg A Maloney E Museum E O U L C K Field A L LY A Stanford Sunken PT Heliport L Children’s US B Auxiliary Diamond RD Athletics 851 Library Center CAMPUS DRIVE 1000 Falk Center 900 Lucile 801 Packard Blood Children's Center Hospital E at Stanford 777 V 800 I R 701 703 Stadium D WELCH RD Mausoleum 780 M L A Stanford P D Barn R Y 700 730 750 770 R R A E U Stanford L Q S CA Shopping MIN Center To Sand Hill Rd O RE T ARBORETUM RD AL S Z W E HW V Y L Stanford 82 A Shopping E G To El Camino Real Center To Palo Alto Child Care To Train Station West ) 1 D h 0 R rt 1 No O Hoover S U R Pavilion ( E y D (Hospital) a A w e C PALO re R RD F A B e r M o h E s y a B o T 10-97 8356A6 circa 2002 HEPL Directors Pief headed Project M W.W. Hansen (1947 - 1949) which lead to formation of SLAC in 1961 Edward Ginzton (1949 - 1958) Wolfgang Panofsky (1958 - 1961) Carl Barber (1961 - 1967) http://www.slac.stanford.edu/history/pief.shtml Robert Hofstader (1967 -1973) Mason Yearian (1973 - 1996) Sandy Fetter (1996 - 1997) http://www.stanford.edu/dept/physics/ Robert Byer (1997 - 2006) people/faculty/yearian_mason.html Blas Cabrera (2006 - present) Administrative Directors Frederick Pindar (1950 - 1958) Marshall O’Neill (1958 - 1990) Robert Farnsworth (1990 - 1998) Robin Maslin (1998 - 2001) http://www.stanford.edu/dept/DoR/Marsh/ Anne Green (2001 - 2004) Nancy Christiansen (2004 - present) (Marsh O’Neill was administrative head of both HEPL and Ginzton, then starting in 1990 with Bob Farnsworth the laboratory administrations were separated) Rich History & Bright Future by Brad Parkinson W. W. Hansen 1909 - 1949 Since the early 1930's, William W. Hansen, had wanted to use high-frequency waves to accelerate particles to high energy. Two brothers, Sigurd and Russell Varian, who were interested in generating the very-high- frequency short wavelength signals needed for radar and direction finding, began working with Hansen in the basement of the old physics building (now Quad Math corner). They demonstrated in 1937 the first very-high-frequency source, which they named the klystron. Hansen pioneered the development of microwave theory and techniques for testing microwave systems and gave courses on microwave theory at Stanford and during World War II to physicists who were being recruited for research on the subject. After the war, Hansen returned to his original objective of accelerating electrons to high energies. Working with three graduate students, he demonstrated the first 4.5 MeV linear accelerator in 1947. His progress report to his sponsor, the Office of Naval Research, contained only four words, "We have accelerated electrons." To produce higher energies, 30 MW klystrons a thousand times more powerful than had been made before, were developed by his associates Edward Ginzton and Marvin Chodorow, and three years after Hansen's untimely death in 1949, a 1 BeV 220 foot long accelerator was completed. This work eventually led to the two mile long 25 BeV SLAC accelerator and the first use of the electron storage ring for x-ray spectroscopy in the Stanford Synchotron Radiation Laboratory (SSRL). http://www.stanford.edu/group/ginzton/history.html Klystron Tube http://www.stanford.edu/home/welcome/research/klystron.html Russell Varian (1899-1959), left, and Sigurd Varian (1901-1961) appear in this 1951 photograph with a high-powered klystron. In the palm of his hand, Russell Varian holds a smaller type of klystron used for radar, aircraft instrument landing and microwave communications. (co-founders of Varian Associates in 1948) Stanford researchers in 1939 examine their invention, a klystron. Standing from left to right are Sigurd Varian, physicists David Webster and William Hansen, and in the front are Russell Varian, left, also a physicist, and John Woodyard, an engineering graduate student.
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