National Museum of Nuclear Science & History
Emil worked at Los Alamos during the Manhattan Project.
Frank Mason worked for the United States Engineer District Office.
Melvin G. Hopkins served in the 1st Ordnance Squadron.
Nellie Jennings was a laboratory assistant at the Metallurgical Laboratory at the University of Chicago 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.
