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.
Charles Sterett worked as a physicist at the Clinton Engineer Works in Oak Ridge, Tennessee.
Henry Fritz was a chemist in the Special Engineering Detachment assigned to the K-25 Plant in Oak Ridge, Tennesee.