National Museum of Nuclear Science & History
Robert J. Stock served as a sergeant in the 393rd Bombardment Squadron. He was regularly assigned as a tail gunner to the Bockscar, but did not fly on that plane during the Nagasaki bombing mission in August of 1945.
Arthur C. Wahl (1917-2006) was an American chemist. After receiving his Ph.D. from the University of California, Berkeley in 1942, Wahl was recruited by J.