National Museum of Nuclear Science & History
Ruska worked for Stone and Webster Engineering Corporation.
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.
H. L. Holsopple worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
