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.
E. E. Milligan worked for the Edenfield Electric Company.
William Schneller attended Muhlenberg College, graduating in 1942, and then was hired by the DuPont Company.