<a href="https://en.wikipedia.org/wiki/Albert_Einstein" class="extiw" title="en:Albert Einstein">Albert Einstein</a> during a lecture in Vienna in 1921 (age 42).
Ferdinand Schmutzer (1870-1928)
1921
Edited version of <a href="//commons.wikimedia.org/wiki/File:Einstein1921_by_F_Schmutzer_2.jpg" title="File:Einstein1921 by F Schmutzer 2.jpg">Image:Einstein1921 by F Schmutzer 2.jpg</a>.