National Museum of Nuclear Science & History
Cornelius Ridner was a staff worker at Los Alamos during the Manhattan Project.
Charles Dreckshage served in the 603rd Air Engineering Squadron.
Jacob Epting worked as a carpenter in Oak Ridge, TN from November 1942 to October 1943. While Epting assumed he was building a hospital, he was never formally told about the project he was working on.
Aaron Novick was a physical chemist at various Manhattan Project sites, including the University of Chicago, Hanford, Washington, and Los Alamos, New Mexico.
Robert E. Smithson served as a master sergeant in the the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Strange Cargo.