J. Robert Oppenheimer’s ID badge from the Los Alamos Laboratory\
J. Robert Oppenheimer was a pivotal figure in the Manhattan Project that developed the first nuclear weapons during World War II. Often called the “father of the atomic bomb,” Oppenheimer oversaw the creation of the bombs that would devastate Hiroshima and Nagasaki in 1945. However, he later became an outspoken critic of nuclear weapons, warning of the dangers of this terrifying technology he helped unleash.