Richard feynman (191May 081-1September 08 15), Feynman is a descendant of Russian and Polish Jews who immigrated to the United States at the end of19. American physicist. 1965 Nobel Prize winner in physics. Feynman diagram, Feynman rule and renormalization calculation method are put forward, which are indispensable tools for studying quantum electrodynamics and particle physics. Feynman also discovered the singing method of Humai, and had been looking forward to going to Tuwa, the birthplace of Humai, but he failed in the end. He is regarded as the most intelligent theoretical physicist after Einstein and the first person to put forward the concept of nano.