Richard P. Feynman (1918-1988) was one of this century's most brilliant theoretical physicists and original thinkers. He was awarded the Nobel Prize in 1965 for his work on QED. Books by Feynman in Penguin include The Character of Physical Law (1992, 36,000 copies), Six Easy Pieces (1998, 27,000 copies, and Six Not-So-Easy Pices (1999, 10,000 copies).