Monday, May 09, 2005
On this day:

New Postage Stamps Honor Four Scientists These images provided by the U.S. Postal Service show 37-cent postage stamps honoring four American Scientists. Top row, from left are, geneticist Barbara McClintock and Scientists-Thermodynamicist Josiah Willard Gibbs. Bottom row, from left are, mathematician John von Neumann and physicist Richard P. Feynman.