National Museum of Nuclear Science & History
Clarence Signaigo was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
George Anderson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Smith worked at the 100-D Area at Hanford during the Manhattan Project.
Brock worked for the United States Engineer District Office.
Charles H. Hendren served in the 603rd Air Engineering Squadron.