National Museum of Nuclear Science & History
J. N. Trimble worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George I. Schreffer served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew on the B-29 Jabit III.
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
