![](http://www.alamy.com/thumbs/6/D51CA4BB-0108-4277-B78B-BA6908277137/KBXD08.jpg)
Niels Bohr Albert Einstein3 by Ehrenfest
Size: 1904px × 1312px
Photo credit: © Historic Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ancient, art, book, bygone, copy, cover, drawing, editorial, historic, history, illustration, line, map, news, painting, photo, photograph, photography, space, stock, textbook, vintage