National Museum of Nuclear Science & History
E. S. Ryan, Jr. worked for the Poe Piping & Heating Company.
T. W. Hungerford, Jr. worked for Clinton Laboratories at the X-10 Reactor.
R. R. Kegarise worked for the Kellex Corporation at the K-25 Plant.
J. R. Pierson worked for the Tennessee Eastman Corporation at the Y-12 Plant.