National Museum of Nuclear Science & History
Henry Ward worked for the United States Engineer District Office.
Tabb worked at the 100-D Area and 300 Area at Hanford during the Manhattan Project.
R. H. Morris worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.