National Museum of Nuclear Science & History
R.J. Stepheson was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Clyde Yeagley served in the 1395th Military Police Aviation.
Hoell worked at the 300 Area at Hanford during the Manhattan Project.
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.