![](http://www.alamy.com/thumbs/6/1E9152BF-5E65-4FF2-A334-376C09135A15/D5DX3W.jpg)
Portrait of Paul Ehrenfest (1880-1933), Physicist
Size: 1193px × 1675px
Photo credit: © Bygone Collection / Alamy / Afripics
License: Licensed
Model Released: No
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