National Museum of Nuclear Science & History
Zen B. Portwood worked for the J.A. Jones Construction Company.
Self worked for Stone and Webster Engineering Corporation.
Harold Payne worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edgar F. Shofield served in the 393rd Bombardment Squadron.
Frederick Trapnell was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
