National Museum of Nuclear Science & History
Walter Johnson worked for the United States Engineer District Office.
J. Moran worked for the Roane-Anderson Company.
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.
John DoLong was a guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Dorothy Dunaway was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
