História

Autor: Unknown photographer

Título: Photograph of Albert Einstein in his office at the University of Berlin, published in the USA in 1920.

Data: circa 1920

Origem: "The Solar Eclipse of May 29, 1919, and the Einstein Effect," The Scientific Monthly 10:4 (1920), 418-422, on p. 418 and ETH-Archiv

Fonte: https://commons.wikimedia.org/wiki/File:Albert_Einstein_photo_1920.jpg

Licença: Domínio Público