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After studying at M.I.T. and Princeton University, he assisted in the development of the [[atomic bomb]] at [[Los Alamos]].

After studying at M.I.T. and Princeton University, he assisted in the development of the [[atomic bomb]] at [[Los Alamos]].

Feynman's major contribution was to quantum mechanics. He introduced the diagrams, now called [[Feynman diagrams]], which are used to describe the behaviour of systems of interacting particles. He was awarded a Nobel Prize for Physics in 1965.

Feynman's major contribution was to [[quantum electrodynamics]]. He introduced the diagrams, now called [[Feynman diagrams]], which are used to describe the behaviour of systems of interacting particles. He was awarded a Nobel Prize for Physics in 1965.

He had a leading role in the investigation of the crash of the [[space shuttle]] Challenger.

He had a leading role in the investigation of the crash of the [[space shuttle]] Challenger.