National Museum of Nuclear Science & History
Grover Thompson worked for the United States Engineer District Office.
Ellsworth Risley was a staff worker at Los Alamos during the Manhattan Project.
Leonard Lindey was a member of the Miltary Police assigned to Oak Ridge, Tennessee. He worked primarily in perimeter security, checking on all personnel coming in and out of the complex.
Duren Howard Shields was a staff worker at Los Alamos during the Manhattan Project. During his time there, he worked on building the experimental casing for the bomb.