en:Niels Bohr and en:Albert Einstein Foto by Paul Ehrenfest (1880-1933). The picture was taken at Ehrenfest's home in Leiden, the occasion was most likely the 50th anniversary of Hendrik Lorentz' doctorate (December 11, 1925) . 170 Niels Bohr Albert Einstein3 by Ehrenfest

---

Size: 2693px × 1855px
Photo credit: © The Picture Art Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: