Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work


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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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Image title: 
John A. Brown helps Emmett J. Pybus as they release a balloon on a calm day in the Antarctic
Credit line: 
AIP Emilio Segrè Visual Archives, Physics Today Collection

John A. Brown helps Emmett J. Pybus as they release a balloon on a calm day in the Antarctic. The two men from the Ballistic Research Laboratories at Aberdeen proving Ground, MD, conducted upper atmosphere water vapor studies under the sponsorship of the National Science Foundation.

Photo date: 
circa 1961
Original format: 
1 photographic print (black and white; 8 x 10 inches)
United States Antarctic Program
Brown, John A., Jr.
Pybus, Emmett J.