National Museum of Nuclear Science & History
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.
Nathaniel T. Burgwyn served as a corporal in the 393rd Bombardment Squadron. He was the radar operator of the B-29 Full House, which served as a weather reconnaissance plane on the Hiroshima bombing mission, and the backup strike plane on Iwo Jima on the Nagasaki mission.
Charles Rogers was a staff worker at Los Alamos during the Manhattan Project.