National Museum of Nuclear Science & History
Vernon J. Rowley served as a sergeant in the 393rd Bombardment Squadron. He was the radar operator on the B-29 Jabit III on the Hiroshima mission.
Kenneth Greisen was an American physicist. He worked on the Manhattan Project at Los Alamos. He was the leader of Group X-1A (Photogoraphy with Flash X-Rays) until it was dissolved in May 1945.
E. Lander worked for the Roane-Anderson Company.