National Museum of Nuclear Science & History
Watson C. Warriner, Sr. graduated from Virginia Tech in 1938 with a degree in chemical engineering. He was then hired by the DuPont company to work in their Engineering Department.
Bifano worked at Los Alamos during the Manhattan Project.
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.