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. 

Reiche Fritz E3

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Reiche Fritz E3

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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.

Dr. Brenda P. Winnewisser
Image title: 
Speakers and guests at the Princeton Symposium for Rudolf Ladenburg's retirement
Credit line: 
AIP Emilio Segrè Visual Archives, Kohn Photo Collection, gift of Dr. Wilhelm Tappe, gift of Eva Bergmann

Speakers and guests at a symposium held by the Princeton Physics Department on the occasion of Rudolf Ladenburg's retirement. Left to right, top row: MacPhail, Yardley Beers, George Wachtell, Daniel Bershader, Luke Yuan, Hans Kopfermann, Curtis Lampson; bottom row: Fritz Reiche, Lyman Spitzer, Henry Herman Barschall, Rudolf Ladenburg, Hedwig Kohn, Mark Zemansky, and Walker Bleakney.

Photo date: 
Original format: 
3 photographic prints (black and white; 13 x 9.5 inches and 6 x 4 inches))
Princeton University
Reiche, F. (Fritz), 1883-1969
Spitzer, Lyman, 1914-1997
Ladenburg, Rudolf Walter, 1882-1952
Kohn, Hedwig, 1887-1964
Kopfermann, Hans, 1895-1963
Bleakney, Walker, 1901-1992
Beers, Yardley, 1913-
Yuan, Luke C. L.
Zemansky, Mark Waldo, 1900-
Lampson, Curtis W.
Bershader, Daniel
Barschall, H. H. (Henry Herman), 1915-1997
Wachtell, George Peter