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Richard Feynman (1918–1988) was an American theoretical physicist known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, and the physics of the superfluidity of supercooled liquid helium, as well as in particle physics.  He received the Nobel Prize in Physics in 1965 for his contributions to the development of quantum electrodynamics.

Also by Richard Feynman:
How Your Car's Differential Gear Works
How a Train Stays on a Track (not as simple as you thought)

Magnets (and 'Why?' questions...)
Think Like A Martian
Knowing Something

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