Arthur Hjalmar Sasse (January 20, 1899 – October 3, 1991) was an American UPI photographer.
The photo was taken on March 14, 1951, after Einstein's 72nd birthday celebration at The Princeton Club.
He made the iconic shot, but the other photographers surrounding the car missed it.
[3] The picture showed a "nutty professor" and playful side of Einstein rather than the serious one that many assumed about the man.
The original picture was auctioned off for $72,300, making it the most expensive Einstein photograph ever sold.