National Museum of Nuclear Science & History
Leslie Seward worked for the United States Engineer District Office.
Dorothy Dunaway was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Calvin S. Shepherd worked on the Manhattan Project at Los Alamos, NM and the Trinity Site.
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
