National Museum of Nuclear Science & History
O’Black worked in the 200 East Area at Hanford during the Manhattan Project.
William J. Cotter served as a staff sergeant in the 393rd Bombardment Squadron. He was the radar operator regularly assigned to the B-29 Strange Cargo.
Eugene Schmanoff was a staff worker at Los Alamos during the Manhattan Project.
Francis X. Dolan was a sergeant in the 393rd Bombardment Squadron. He served as the radio operator of the Necessary Evil, but flew in the Big Stink during the Nagasaki Mission.