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.
Harris Mayer, born in 1921, is an American physicist. During World War II, Mayer joined the Manhattan Project at Columbia University.
Gilbert worked at the 200 West Area at Hanford during the Manhattan Project.