National Museum of Nuclear Science & History
E. D. Hughes worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hoover worked at the 300 Area at Hanford during the Manhattan Project.
O. W. Danner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.