Definition of Oppenheimer, J. Robert in English:

Oppenheimer, J. Robert

proper noun

  • (1904–67), American theoretical physicist; full name Julius Robert Oppenheimer. He was director of the laboratory at Los Alamos during the development of the first atom bomb, but opposed the development of the hydrogen bomb after the Second World War.

Pronunciation

Oppenheimer, J. Robert

/ˈɒp(ə)nˌhʌɪmə/