National Museum of Nuclear Science & History
J. N. Holt worked for the United States Engineer District Office.
Mary Lucy Miller was a physical and polymer chemist at the Manhattan Project’s Los Alamos, NM facility during World War II.
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.
E. O’Henry worked for the United States Engineer District Office.