National Museum of Nuclear Science & History
R. L. Fellers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Carl C. Gamertsfelder was an American physicist who worked in the field of health physics during the Manhattan Project.
Duane Sewell began working with the Manhattan Project in 1941. He was one of the first people to arrive at Oak Ridge and experienced first-hand some of the difficulties there with cyclotrons and isotope separation.