A dramatization of the life story of J. Robert Oppenheimer, the physicist who had a large hand in the development of the atomic bomb, thus helping end World War 2. We see his life from university ...

Cillian Murphy plays J. Robert Oppenheimer, "the father of the atomic bomb," in the 2023 film Stephanie Kaloi is a contributing writer at PEOPLE. She has been working at PEOPLE since 2022.

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