National Museum of Nuclear Science & History
Eugene S. Grennan served as a 2nd lieutenant in the 509th Composite Group. He was the flight engineer on the Straight Flush during the Hiroshima mission.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
Roy Schroeder was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
R. Warden worked for the Edenfield Electric Company.