Albert Einstein
John D. Schiff
In his later years (probably 1950s)
Photograph from the Library of Congress Photographs and Prints Division: <a rel="nofollow" class="external free" href="http://hdl.loc.gov/loc.pnp/cph.3c06042">http://hdl.loc.gov/loc.pnp/cph.3c06042</a>