Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Attention ESVA patrons:

The Emilio Segrè Visual Archives’ site is moving soon and adopting an open access approach to digital image sharing. Once we have transitioned to the new site in 2021, we will no longer charge for our high-resolution digital images or usage fees (note that we do not hold copyright to all the images in our collections and you will still need to obtain permission for those which we do not own).

If you are working on a long-term project, we advise you to wait until the migration is complete so that you may obtain our copies for free. If you cannot wait, email us at nbl [at] aip.org and we will do what we can to assist you. We will not be offering refunds for past purchases.

For more information, please visit our FAQ page on the Ex Libris Universum blog. 

Critchfield Charles C3

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Critchfield Charles C3

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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.

Images are for use in educational projects only and must be used in a respectful manner.

Image title: 
Critchfield and Feynman
Credit line: 
Los Alamos National Laboratory, courtesy AIP Emilio Segrè Visual Archives

(L-R): Charles Critchfield, Richard Feynman, and J. Robert Oppenheimer at Los Alamos. [To publish this image or use it in any public format, you must contact Melanie Jackson Agency, LLC and obtain their approval. Please contact Katherine J. Chen at kj.chen [at] mjalit.com]

Photo date: 
circa 1943
Original format: 
3 photographic prints (black and white; (2) 9 x 7 inches, (1) 6 x 4.5 inches)
Critchfield, Charles Louis, 1910-
Feynman, Richard P. (Richard Phillips), 1918-1988
Oppenheimer, J. Robert, 1904-1967