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. 

Swann William E2

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Swann William E2

Image title: 
Attendees of the Cosmic Ray Conference in Pasadena, CA
Credit line: 
AIP Emilio Segrè Visual Archives

First Row (L-R):  J. Robert Oppenheimer; Pierre Auger; Robert Millikan; William Swann; Paul Epstein; Bruno Rossi.  Second Row:  Lee DuBridge John Wheeler.  Third Row:  Robert Serber; Wallace Brode; Marcel Schein; rest unidentified at the Cosmic Ray Conference in honor of Robert Millikans 80th birthday held in Pasadena, California.

Original format: 
1 photographic print (black and white; 4.5 x 3.5 inches)
Swann, W. F. G. (William Francis Gray), 1884-1962
Oppenheimer, J. Robert, 1904-1967
Millikan, Robert Andrews, 1868-1953
Auger, Pierre, 1899-1993
Epstein, Paul S. (Paul Sophus), 1883-1966
Rossi, Bruno Benedetto, 1905-
DuBridge, Lee A. (Lee Alvin), 1901-1994
Wheeler, John Archibald, 1911-2008
Serber, R. (Robert)
Brode, Wallace R. (Wallace Reed), 1900-1974