National Museum of Nuclear Science & History
Joseph Slusky served in the 509th Headquarters.
DeRenzis worked in the United States Engineer District.
Quentin V. Larson was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
