National Museum of Nuclear Science & History
Rife worked for Stone and Webster Engineering Corporation.
Delbert Ball was a procurement officer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Bardolf Storaasli was an electrical engineer working for the Allis-Chalmers Company in West Allis, Wisconsin from 1937 to 1945.
Houston Willson worked for the United States Engineer District Office.
