National Museum of Nuclear Science & History
Harold Payne worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ruth Rottman was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Daniel N. Koshland was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
B. B. Jacobs worked for the United States Engineer District Office.
