National Museum of Nuclear Science & History
George Waskey worked for the Roane-Anderson Company.
Tracy worked for Stone and Webster Engineering Corporation.
Norma Gross was an American chemist. She was married to an Army lieutenant who was stationed at Los Alamos during the Second World War.
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.