Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Johnson Ralph F1

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Johnson Ralph F1

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We charge a usage fee per photo if the photo is published, reproduced in a product or publicly exhibited. This is not a license in the legal sense. As a non-profit institution, we do not make any money providing these photographs. It is only by assessing usage fees that we are able to cover the cost of providing publication quality copies of our photos, preserving the photograph collection according to archival standards, and providing access to the collection by maintaining an online image database. The copyright holder may charge a fee in addition to our service fee.

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$20.00
Image title: 
Ralph Johnson adjusts equipment in laboratory
Credit line: 
General Electric Research Laboratories, courtesy AIP Emilio Segrè Visual Archives
Description: 

Ralph Johnson adjusts equipment at the General Electric Research Laboratory.

Photo date: 
April 12, 1937
Original format: 
1 Photographic print (black and white; 10 x 8 inches)
Person(s): 
Johnson, Ralph P. (Ralph Poole), 1909-1988