National Museum of Nuclear Science & History
A. A. Maupin worked for the Kellex Corporation at the K-25 Plant.
Joseph P. Grosso served in the 393rd Bombardment Squadron.
James J. Nickson was a medical doctor and Section Chief of H-III Medical Industrial Hazards and Health Physics in the Health Division at the University of Chicago Met Lab.
Albert L. Evand was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
