On Einstein's 72nd birthday in 1951, UPI photographer Arthur Sasse was trying to persuade him to smile for the camera, but having smiled for photographers many times that day, Einstein stuck out his tongue instead.[1] This photo became one of the most popular photos ever taken of Einstein and it is well recognized in popular culture,[2][3] often used in merchandise depicting Einstein in a lighthearted sense. One of the only known signed photographs of Albert Einstein’s Iconic Act of Playful Defiance has recently (June, 2009) come to market at RR Auction, a signed memorabilia auction house. The complete background of when the photo was originally taken, how Einstein asked for 9 prints for himself. Only one of these photos have emerged to the public eye with his thoughts and signature on i