Template:POTD protected/2026-04-22

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| style="padding:0 0.9em 0 0; width:250px;" | [[File:Oppenheimer (cropped).jpg|250px|J. Robert Oppenheimer]]

| style="padding:0 0.9em 0 0; width:300px;" | [[File:Oppenheimer (cropped).jpg|300px|J. Robert Oppenheimer]]

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'''[[J. Robert Oppenheimer]]''' (April 22, 1904 – February 18, 1967) was an American [[theoretical physics|theoretical physicist]] who served as the director of the [[Manhattan Project]]'s [[Project Y|Los Alamos Laboratory]] during [[World War II]]. He is often called the "father of the [[Nuclear weapon|atomic bomb]]" for his role in overseeing the development of the first nuclear weapons. During the [[McCarthyism|Second Red Scare]], his stances, together with his past associations with the [[Communist Party USA]], led to an [[Oppenheimer security clearance hearing|AEC security hearing]] in 1954 and the revocation of his [[United States security clearance|security clearance]]. He continued to lecture, write, and work in physics, and in 1963 received the [[Enrico Fermi Award]] for contributions to theoretical physics. This photograph shows Oppenheimer in 1944.

'''[[J. Robert Oppenheimer]]''' (April 22, 1904 – February 18, 1967) was an American [[Theoretical physics|theoretical physicist]] who served as the director of the [[Manhattan Project]]'s [[Project Y|Los Alamos Laboratory]] during World War II. He is often called the "father of the [[Nuclear weapon|atomic bomb]]" for his role in overseeing the development of the first nuclear weapons. During the [[McCarthyism|Second Red Scare]], Oppenheimer stances, together with his past associations with the [[Communist Party USA]], led to [[Oppenheimer security clearance hearing|a security hearing]] before the [[United States Atomic Energy Commission]] and the revocation of his [[United States security clearance|security clearance]] in 1954. He continued to lecture, write, and work in physics, and in 1963 received the [[Enrico Fermi Award]] for contributions to theoretical physics. This portrait photograph of Oppenheimer was taken around 1944, while he was the director of the Los Alamos Laboratory. The image is in the holdings of the [[National Archives and Records Administration]].

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