Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Bardeen John C2

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Bardeen John C2

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Image title: 
Bardeen, Brattain, Shockley Converse
Credit line: 
Photograph by Nick Lazarnick, Bell Telephone Laboratories, courtesy AIP Emilio Segrè Visual Archives, Brattain Collection, Physics Today Collection

With this apparatus some of the first investigations leading to the discovery of the transistor were made at Bell Telephone Laboratories. Seated is William Shockley, who initiated and directed the Laboratories' Transistor research program. Standing are John Bardeen (left) and Walter Brattain, key scientists in bringing the invention to realitym, July 1948.

Photo date: 
Original format: 
3 photographic prints (black and white; 9.5 x 7.5 inches)
Bardeen, John
Brattain, Walter H. (Walter Houser), 1902-1987
Shockley, William, 1910-1989