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.
Don Ross worked for the Union Carbide & Carbon Corporation.
Joseph Hans worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Eloy Roybal was a staff worker at Los Alamos during the Manhattan Project.
