National Museum of Nuclear Science & History
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.
Mathis worked for Stone and Webster Engineering Corporation.
Newton R. Mahon served in the 320th Troop Carrier Squadron.
Kay Sharp worked for the United States Engineer District Office.