Why was Robert oppenheimer famous?

Answer 1

There are several best summarized by, I am become death, The Shatterer of Worlds.

[Quoting from the 2,000-year-old Bhagavad Gita of India at the instant the first test atomic device exploded.]

Answer 2

From the Wikipedia entry,

Julius Robert Oppenheimer (April 22, 1904 - February 18, 1967) was an American theoretical physicist and professor of physics at the University of California, Berkeley. He is often called the "father of the atomic bomb" for his role as the scientific director of the Manhattan Project, the World War II project that developed the first nuclear weapons.

See the Wikipedia entry link below, under 'Sources and related links'.

Answer 3

He lead the research project for the Atomic Bomb.

Answer 4

Robert Oppenheimer was famous for inventing the atomic bomb with the help of other mathematicians and physicists in the Manhattan Project.