National Museum of Nuclear Science & History
W. R. Duff worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Thelma Clark worked for the Roane-Anderson Company.
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
Dorothea “Dot” Hoover Seybolt was the wife of metallurgist Alan Seybolt, who worked at Los Alamos during the Manhattan Project.