National Museum of Nuclear Science & History
Ruska worked for Stone and Webster Engineering Corporation.
John Nomerding was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. C. Young worked for the Roane-Anderson Company.
Theodore M. Slife served as a staff sergeant in the 393rd Bombardment Squadron. He was the radio operator of the B-29 Full House, which served as a weather reconnaissance plane on the Hiroshima bombing mission, and the backup strike plane on Iwo Jima on the Nagasaki mission.