  Richard Feynman  (1918-1988) was an American physicist known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, and the physics of the super fluidity of supercooled liquid helium. He was and is one of the most well known physicist of all time for his way of explaining how quantum mechanics work in layman's terms.&amp;nbsp;&amp;nbsp;&amp;nbsp; 