National Museum of Nuclear Science & History
Harold Smith worked for the Kellex Corporation at the K-25 Plant.
Melba (Johnston) Robson was a biomedical technician at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Helene Stark was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Kenneth Wertz served in the 390th Air Service Group.
Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
