National Museum of Nuclear Science & History
N. J. Zammarrelli served in the 390th Air Service Group.
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.
Huffman worked at the 300 Area at Hanford during the Manhattan Project.
Hendrickson worked in the United States Engineer District Office.