Richard Feynman was born on May 1, 1918, in Queens, New York. By age 15, he had mastered calculus. In 1936, he attended MIT, and took every physics course offered. Later he went to Princeton for graduate studies. He embarked on a lifelong quest to clarify the mathematics of a subatomic world. Feynman finished his Ph.D., and married his longtime sweetheart, Arline Greenbaum. She was already very ill with tuberculosis. In 1942, Feynman was asked to go to Los Alamos. Hans Bethe made the 24 year old Feynman a group leader in the
