National Museum of Nuclear Science & History
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Bardolf Storaasli was an electrical engineer working for the Allis-Chalmers Company in West Allis, Wisconsin from 1937 to 1945.