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. 

National Bureau of Standards E1

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National Bureau of Standards E1

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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: 
Attendees of the Mass Spectroscopy Conference for the National Bureau of Standards
Credit line: 
AIP Emilio Segre Visual Archives, Bainbridge Collection

Attendees of the Mass Spectroscopy Conference for the National Bureau of Standards.


Identification key is available upon request. 

Photo date: 
September 6-8, 1951
Original format: 
1 photographic print (black and white; 9.5 x 7.5 inches)
United States. National Bureau of Standards
Kurie, Franz Newell Devereux
Stephens, William Edwards, 1912-
Roberts, T.E.
Epstein, Samuel, 1919-
Hayden, Richard John
Bay, Zoltan, 1900-
Inghram, Mark Gordon, 1919-
Grove, Donald Jones
Collins, Timother Leo
Fox, Russell Elwell
Smith, Lincoln Gilmore, 1912-
Beth, Richard A.
Norton, Francis J., 1899-1994
Jones, Ernest Joseph
Bleakney, Walker, 1901-1992
Hess, David Clarence
Coggeshall, Norman D.
Nier, Alfred O. (Alfred Otto), 1911-1994
Bainbridge, Kenneth T. (Kenneth Tompkins), 1904-1996
Condon, Edward Uhler, 1902-1974
Mattauch, Joseph
Papp, George
Friedland, Stephen Sholom, 1921-
Polanyi, Thomas G.
Carr, Howard E. (Howard Earl), 1915-
Kennard, Ralph Brandreph
Honig, Richard E. (Richard Edward), 1917-2001
Herman, Robert, 1914-
Slack, L. (Lewis), 1924-
Motz, H. (Hans), d. 1987
Bennett, Willard Harrison, 1903-
Duckworth, H. E. (Henry Edmison), 1915-
Hannay, N. B. (Norman Bruce)
Branson, Herman R. (Herman Russell), 1914-1995
Hagstrum, Homer D.
Aldrich, Lyman Thomas