Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Alvarez Luis F4

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Alvarez Luis F4

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Image title: 
60 Inch Cyclotron
Credit line: 
Lawrence Berkeley National Laboratory, courtesy AIP Emilio Segrè Visual Archives

"Photograph shows the 60 inch cyclotron a the University of California's Lawrence Radiation Laboratory, Berkeley, under construction. Left to right are key figures in the development and early use of the machine; Dr. Luis W. Alvarez, noted physicist now a group leader in the Laboratory; Dr. W. D. Coolidge, famous General Electric scientist who was visiting at the time; William Brobeck, engineer who was responsible for most of the design of the machine; Dr. Donald Cooksey, now associate director, emeritus; Dr. Edwin M. McMillin, now Director of the Laboratory; and the late Ernest O. Lawrence, cyclotron inventor, Nobel Laureate and founder of the Laboratory. Only the magnet yoke and the coils (housed in large cylindrical pieces in the center) have been completed. The accelerating chamber goes between the coil housing."

Photo date: 
Circa 1938
Original format: 
3 photographic prints (black and white; one 9.5 x 8 inches, one 9.5 x 7 inches, one 9 x 6.5 inches)
Brobeck, William Morrison, 1906-
Cooksey, Donald, 1892-1977
Coolidge, William David, 1873-1975
Lawrence, Ernest Orlando, 1901-1958
Alvarez, Luis W., 1911-1988
McMillan, Edwin M. (Edwin Mattison), 1907-