National Museum of Nuclear Science & History
Diamond worked in the United States Engineer District Office.
Arthur Buck was a security guard for the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
N. F. Hanke worked for Clinton Laboratories at the X-10 Reactor.
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
