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. 

Alvarez Luis A2

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Alvarez Luis A2

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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: 
Portrait of Alvarez at Desk
Credit line: 
Lawrence Berkeley National Laboratory, courtesy AIP Emilio Segrè Visual Archives, Physics Today Collection

Dr. Luis Alvarez, research group leader, University of California Lawrence Radiation Laboratory, Berkeley; co-discoverer of tritium (hydrogen-3) and helium-3; developed three major radar systems, including Ground Controlled Approach; developed the proton linear accelerator; developed the hydrogen bubble chamber and associated analytical equipment which helped revolutionize physics and led to a "population explosion" of nuclear particles beginning around 1959. Alvarez is the recipient of the Third Annual Albert A. Michelson Award from Chase Institute of Technology. Presented at the annual Michelson Dinner on October 20, 1965.

Original format: 
3 photographic prints (black and white; one 8.5 x 11 inches, one 8 x 10.5 inches, one 8 x 10 inches)
Alvarez, Luis W., 1911-1988