Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Brattain Walter C13

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Brattain Walter C13

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$20.00
Image title: 
Shockley, Bardeen, and Brattain with Equipment
Credit line: 
Photograph by Nick Lazarnick, Alcatel-Lucent/Bell Labs, courtesy AIP Emilio Segrè Visual Archives, Physics Today Collection, Brattain Collection
Description: 

Left to right are William Shockley, John Bardeen and Walter Brattain working with equipment.
Original press release caption: A.M. Papers of Thursday, July 1, 1948 - "With this apparatus at Bell Telephone Laboratories, some of the first investigations leading to the discovery of the Transistor were made. Seated is Dr. William Shockley, who initiated and directed the Laboratories' Transistor research program. Standing are Dr. John Bardeen, left, ane Dr. Walter H. Brattain, key scientists in bringing the invention to reality. The Transistor's potentialities are such that Bell scientists and engineers expect it may have far-reaching significance in the field of electronics and electrical communication. It has been shown to produce amplification as high as 100 to 1 (20 decibels). Some test models have been operated as amplifiers at frequencies up to ten million cycles per second."

Photo date: 
1948
Original format: 
3 photographic prints (black and white; 9.5 x 7.5 inches, 9 x 7 inches, 6 x 4.5 inches)
Person(s): 
Bardeen, John
Brattain, Walter H. (Walter Houser), 1902-1987
Shockley, William, 1910-1989
Category: