National Museum of Nuclear Science & History
Trumper worked for Stone and Webster Engineering Corporation.
Henry Barwick worked as a plumber, pipefitter, and steamfitter during the building of the Y-12 plant at Oak Ridge.
M. M. Fielder worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
M. E. Brennan worked for the Watson-Flagg Engineering Company.
