National Museum of Nuclear Science & History
Milton C. Sprouse served in the 393rd Bombardment Squadron.
Elmer 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.
Nathalie Baumbach was an American chemist who worked on the Manhattan Project. Baumbach majored in chemistry at the University of California Los Alamos.