National Museum of Nuclear Science & History
D. D. Frazer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Pauline McGrath was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William Ladniak worked for Clinton Laboratories at the X-10 Reactor.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.