National Museum of Nuclear Science & History
Samuel Smith was a staff worker at Los Alamos during the Manhattan Project.
Harris Mayer, born in 1921, is an American physicist. During World War II, Mayer joined the Manhattan Project at Columbia University.
Arthur Daniel Schelberg (1921-2009) was an American physicist. Schelberg was born in New York City. He studied at physics in Princeton, and was recruited to join the Manhattan Project at Los Alamos in 1943.