National Museum of Nuclear Science & History
Charles O’Neil was a staff worker at Los Alamos 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.
Waverly Smith was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
