Astrophysicist and Director of the world's two greatest observatories,
Mount Wilson Observatory (north of Pasadena) and Palomar in southern
California. At the age of 28, he published evidence that the entire
universe is composed of the same elements that are found on earth. In
recognition of his work on nebulae, Bowen was awarded the Henry Draper
Medal of the National Academy of Sciences for 1942. He taught physics
at the California Institute of Technology from 1921 to 1945.