National Museum of Nuclear Science & History
Hoyt Nelson worked for Clinton Laboratories at the X-10 Reactor.
John L. Downey served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the Laggin’ Dragon.
Joseph G. Sullivan served in the 320th Troop Carrier Squadron.
Edward F. “Ed” Hammel was an American chemist. Hammel had just completed his Ph.D. at Princeton University when he joined a Canadian heavy water project sponsored by the school in 1941.
Jose Sandoval was a staff worker at Los Alamos during the Manhattan Project.