National Museum of Nuclear Science & History
Helgeson worked at the 300 Area at Hanford during the Manhattan Project.
Arthur R. Piccot attended the Bridgeport Engineering Institute. He later served at Ok Ridge to help procure “yellow cake” (a type of powdered uranium concentrate).
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.
