National Museum of Nuclear Science & History
J. M. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Helen Addison worked for the Roane-Anderson Company.
Edna K. Marks was a junior biologist and technician in the Health Division at the University of Chicago Met Lab.
Melba (Johnston) Robson was a biomedical technician at the Metallurgical Laboratory in Chicago during the Manhattan Project.
