National Museum of Nuclear Science & History
Irene Balawender was a stenographer in the Instrument Section at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Sergeant James T. Harris was a member of the Special Engineer Detachment stationed at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952.