National Museum of Nuclear Science & History
C. A. Cooper worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Greager worked at the 200 West Area at Hanford during the Manhattan Project.
Petty worked in the 100 B and D Areas at Hanford during the Manhattan Project.
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.
