National Museum of Nuclear Science & History
Jas Purcell worked for the Roane-Anderson Company.
George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.
Dale Melugin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Elizabeth was a staff member at Los Alamos during the Manhattan Project. She may have been married to Claire C.
