National Museum of Nuclear Science & History
McCampbell worked for Stone and Webster Engineering Corporation.
Laverne Bloom worked as a Military Policeman from 1945-1946 in Hanford, Washington. While not on guard duty, Bloom often cooked for his troop and occasionally made meals for the director of the Manhattan Project, General Leslie Groves.
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.
John Butler worked for the H. K. Ferguson Company.