National Museum of Nuclear Science & History
Harry Reason was a janitor at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Floyd E. Ross served in the radar section of the 393rd Bombardment Squadron.
George Hyde was a chemist assigned to the Y-12 Plant in Oak Ridge, Tennessee from February 1944 to the end of the war.
Edward Littleton was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.