National Museum of Nuclear Science & History
J. P. Valliant worked for the Union Carbide & Carbon Corporation.
Whaley worked at the 300 Area at Hanford during the Manhattan Project.
L. A. Castellanos worked for the J.A. Jones Construction Company.
Henry Barwick worked as a plumber, pipefitter, and steamfitter during the building of the Y-12 plant at Oak Ridge.