![](http://www.alamy.com/thumbs/6/CD58A4C6-82B6-4AB5-B241-2086D71500D8/2AJY6WX.jpg)
Vintage photo of theoretical physicist Albert Einstein (1879 – 1955) giving a speech at the Eighth American Scientific Congress in Washington DC in May 1940. Photo by Harris & Ewing.
Size: 3027px × 4167px
Photo credit: © Archive Pics / Alamy / Afripics
License: Licensed
Model Released: No
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