National Museum of Nuclear Science & History
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Larue Tinsley served in the Army at Los Alamos during the Manhattan Project.
Robert H. Shumard served as a sergeant in the 393rd Bombardment Squadron. He worked as an assistant engineer, aiding the other crew engineers with keeping the planes running during bombing missions.
J. G. McNally worked for the Tennessee Eastman Corporation at the Y-12 Plant.
