National Museum of Nuclear Science & History
Fulcher worked for Stone and Webster Engineering Corporation.
Hoyt Nelson worked for Clinton Laboratories at the X-10 Reactor.
Brooks worked 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.