Julius Robert Oppenheimer (April 22, 1904 – February 18, 1967) was an American theoretical physicist and director of the Los Alamos Laboratory during World War II."

Julius Robert Oppenheimer Father of the Atomic Bomb

Oppenheimer is founding father of the American school of theoretical physics.  He did important research in astrophysics, nuclear physics, spectroscopy and quantum field theory.

In 1945 physicist J. Robert Oppenheimer was a national hero, the man who ended World War II

Cillian Murphy who is playing role of Robert J. Oppenheimer in Christopher Nolan Oppenheimer movie which talks about Oppenheimer- father of atomic bomb