Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Kruger Peter F4

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Kruger Peter F4

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Celia Elliott
Image title: 
Peter Kruger and George Green examine magnet and coils of 1-million volt cyclotron
Credit line: 
Department of Physics, University of Illinois at Urbana-Champaign, courtesy of AIP Emilio Segrè Visual Archives

(L-R): P. Gerald Kruger and George K. Green, accelerator physicists, examine magnet and coils of 1-million volt cyclotron they built in 1935-36 when Green was graduate student under Kruger at Illinois. This was world's first cyclotron from which a high-energy beam was brought out. Magnet now used in device to analyze beam from University's 12-million volt cyclotron.

Photo date: 
November 27, 1961
Original format: 
1 photographic print (black and white; 10 x 8 inches)
Kruger, P. Gerald (Peter Gerald), 1902-
Green, George Kenneth