National Museum of Nuclear Science & History
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.
Harvey Matthioson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold N. Saunders served in the First Ordnance Squadron.
Thomas Lauritsen was a Danish-born American physicist. His research focused on the nuclear spectroscopy of the light nuclei.