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.
Dennis J. Nyhan served in the 1st Ordnance Squadron.
Eugene F. Szczepanik served in the 1027th Air Material Squadron.
Blanche Huddleston worked for the Tennessee Eastman Corporation at the Y-12 Plant.