federal Personnel Security Board withdrew his military security clearance. Oppenheimer thus became the worldwide symbol of the scientist who becomes the victim of a witch-hunt while trying to solve the moral problems rising out of scientific discoveries. His clearance was reinstated by President Lyndon Johnson in 1963, and he was given the Enrico Fermi Award of the Atomic Energy Commission. On February 18, 1967, he died of throat cancer at Princeton.
