National Museum of Nuclear Science & History
Robert J. Valley served as a technical sergeant in the 393rd Bombardment Squadron. He was the tail gunner 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.
Suttles was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Twohey worked for Stone and Webster Engineering Corporation.
