National Museum of Nuclear Science & History
E. E. Swanson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hugh Barton was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Johnston worked at the 200 West Area at Hanford during the Manhattan Project.
Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
