National Museum of Nuclear Science & History
Elizabeth Greisen accompanied her husband, physicist Kenneth Greisen, to Los Alamos during the Manhattan Project.
Harry Palevsky (1919-1990) was an American engineer. A Chicago native, Palevsky began his work on the Manhattan Project at the University of Chicago Metallurgical Laboratory shortly after finishing his undergraduate career at Northwestern University.
H. R. Kroegar worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Johnson worked for the United States Engineer District Office.