J. Robert Oppenheimer – Wikipedia

J. Robert Oppenheimer. J. Robert Oppenheimer [note 1] ( / ˈɒpənˌhaɪmər /; April 22, 1904 – February 18, 1967) was an American theoretical physicist. A professor of physics at the University of California, Berkeley, Oppenheimer was the wartime head of the Los Alamos Laboratory and is often credited as the “father of the atomic bomb” for his role in the Manhattan Project – the World War II undertaking that developed the first nuclear weapons.