National Museum of Nuclear Science & History
H. J. Mayberry worked for the Union Carbide & Carbon Corporation.
Stanley L. Kieltyka served in the 393rd Bombardment Squadron.
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joe Supienko served in the 1027th Air Material Squadron.
Mario A. Litterio served as a PFC in the 393rd Bombardment Squadron. He was a member of the ground crew on the B-29 Full House.