Title : OPPENHEIMER In frame - actor Cillian Murphy as Oppenheimer Pencil drawing 59cm x 47cm Time spent - around 2 months About him : Robert J. Oppenheimer (1904-1967) was an American physicist and the scientific director of the Manhattan Project during World War II. He led the development of the atomic bomb, which was used in Japan's surrender. Later, he advocated for nuclear arms control but faced controversy and the loss of his security clearance due to accusations of communist sympathies during the McCarthy era. Despite setbacks, he remained active in academia and is remembered as a central figure in nuclear physics and ethical considerations of atomic weapons.