National Museum of Nuclear Science & History
Bergman worked in the United States Engineer District Office.
D. B. Fultz worked for the Oak Ridge Recreation and Welfare Association.
Leo James Rainwater was an American physicist and winner of the 1975 Nobel Prize in Physics. As a graduate student at Columbia University, Rainwater assisted the Manhattan Project through research in the Substitute Alloy Materials (SAM) Lab.
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.