<a href="//commons.wikimedia.org/wiki/Ben_Bernanke" title="Ben Bernanke">Ben Bernanke</a>, chairman of the Board of Governors, The Federal Reserve Board, USA.
Federal Reserve
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High res version from Princeton website, but it is an official Federal Reserve image as can be seen at <a rel="nofollow" class="external free" href="https://web.archive.org/web/20050307095607/www.federalreserve.gov/bios/bernanke.htm">https://web.archive.org/web/20050307095607/www.federalreserve.gov/bios/bernanke.htm</a>