National Museum of Nuclear Science & History
Arthur Buck was a security guard for the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Robert Prunty (1921-2008) served in the Army at Los Alamos during the Manhattan Project, working as a machinist.