Julius Robert Oppenheimer (Apr 1904 – Feb Theoretical Physicist and Professor of Physics at University of California, Berkeley. With Enrico Fermi, he is called "Father of the Atomic Bomb": "Now, I am become Death, the destroyer of worlds.
sixpenceee: Margaret Hamilton is a computer scientist and mathematician. She was the lead software engineer for Project Apollo. Her work prevented an abort of the Apollo 11 moon landing. She’s also credited for coining the term “software engineer.