National Museum of Nuclear Science & History
Elizabeth Greisen accompanied her husband, physicist Kenneth Greisen, to Los Alamos during the Manhattan Project.
R. D. Campbell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ralph worked at the 300 Area at Hanford during the Manhattan Project.
George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.