National Museum of Nuclear Science & History
Harry Blaustein worked for the Roane-Anderson Company.
Hirst worked at the 100-D Area at Hanford during the Manhattan Project.
Coye Vincent was a staff worker at Los Alamos during the Manhattan Project.
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.