National Museum of Nuclear Science & History
E. H. Gray worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Thomas Cowley was a Military Policeman assigned to Post Security at Los Alamos, New Mexico during the Manhattan Project.
Russell J. LaCroix served in the 393rd Bombardment Squadron.
