Murray+Gell-Mann-1969

Murray Gell-Mann was born on September 15, 1929. He is still living. Gell-Mann recieved the Nobel Prize in Physics for his work on the theory of elemtary particles. Particle physics is a branch of physics that studies the elementary constituents of matter and radiation and the interactions between them. Many electron particles do not occur under normal circumstances in nature, but can be created and detected during energetic collisons of other particles.