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.
H. F. Priest worked for the Union Carbide & Carbon Corporation.
William Stephenson worked for the J.A. Jones Construction Company.
Donald Francis Mastick was an American chemist who worked at Los Alamos and on Tinian as part of Project Alberta.