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Oppenheimer, J. Robert

Syllabification: Op·pen·heim·er, J. Robert
Pronunciation: /ˈäpənˌhīmər
 
/

Definition of Oppenheimer, J. Robert in English:

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

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