National Museum of Nuclear Science & History
T. F. Walsh worked for the United States Engineer District Office.
Attended Wayne University.
Bergan worked in the United States Engineer District Office.
Attended Cooper Union for the Advancement of Science and Art.
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.