National Museum of Nuclear Science & History
H. L. Gleason worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Roy W. Carlson was an engineer. He worked on the Manhattan Project at Los Alamos and the University of California, Berkeley, as a member of the Explosives Division and Group X-2A.
Mattie was a staff member at Los Alamos during the Manhattan Project.
George Royster was a civilian physicist working at the X-10 graphite reactor in Oak Ridge, Tennessee.