National Museum of Nuclear Science & History
H. B. Smith worked for the United States Engineer District Office.
Harry Daghlian (1921-1945) was an American physicist. He died in 1945 from radiation poisoning after a criticality accident at Los Alamos.
George Mahfouz joined the Manhattan Project in 1943 when he was offered a job at the Houdaille-Hershey nickel plant in Decatur, Illinois.
William H. Rigby worked for the Comstock-Bryant Electric Company.
