Von Neumann, A Postage stamp

On August 14, 2004, the USPS (United States Postal Service) announced that their 2005 stamp program would include a special commemorative stamp honoring, as a special issue, four American scientists. The stamps were dedicated in a special ceremony on May 4, 2005, at Yale University in New Haven, CT.  

You may see von Neumann, and Richard Feynman