National Museum of Nuclear Science & History
H. R. Brigham worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph S. Dispensa served in the 393rd Bombardment Squadron. After the war, Dispensa was assigned to the Japan Atomic Bomb Damage Survey teams.
Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.
George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.