![](http://www.alamy.com/thumbs/6/1FAACD64-102D-468C-85F7-62BECD4DBD32/J2XXW3.jpg)
Bohr Ehrenfest Paul Jr
Size: 1903px × 1313px
Photo credit: © The History 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