National Museum of Nuclear Science & History
Frank Gerhart worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bernard West was a civilian worker at the DuPont Chamberworks facility in Deepwater, New Jersey.
Jacob Epting worked as a carpenter in Oak Ridge, TN from November 1942 to October 1943. While Epting assumed he was building a hospital, he was never formally told about the project he was working on.