Albert Einstein
<a href="//commons.wikimedia.org/wiki/User:Manco_Capac" title="User:Manco Capac">Manco Capac</a>
CC BY-SA 3.0
self-made from the image used on <a href="//commons.wikimedia.org/wiki/File:Einstein_paper_money.jpg" title="File:Einstein paper money.jpg">this banknote</a>.