National Museum of Nuclear Science & History
A. A. Nickman worked for the Kellex Corporation at the K-25 Plant.
Carroll Villincs was a guard at the Chicago Met Lab during the Manhattan Project.
Raymond Krause worked for the United States Engineer District Office.
Harold Smith served in the Army at Los Alamos during the Manhattan Project.
N. N. Barwick worked for the Tennessee Eastman Corporation at the Y-12 Plant.
