National Museum of Nuclear Science & History
Asa Swain worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Horace Mahorney was a chemical engineer at the Y-12 plant in Oak Ridge, Tennessee. From September 1943 to November 1945, Mahorney was an operator of the mass spectrometer with Dr.
R. P. Seven worked for the United States Engineer District Office.