National Museum of Nuclear Science & History
Rubie Schaffer (1920-2008) was a staff worker at Los Alamos during the Manhattan Project.
Major Harry D. Riley (1907-1996) worked on the Manhattan Project at Hanford as an engineering officer and chief of services.
Julius M. Simmons was an American chemist. He worked as a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
