J. Robert Oppenheimer was a brilliant physicist who led the American effort to build the atomic bomb during World War II, and who later found himself confronting the moral consequences of the revolutionary weapon he helped create. Readers of all ages will witness the rise and fall of a scientific and historical icon in this masterful new edition. Exploring his childhood, his secret work on the bomb, his central role in the Cold War, and his tragic downfall, this quintessential biography is history at its finest. Filled with dozens of photographs and updated information.