National Museum of Nuclear Science & History
Robert Parks worked for the United States Engineer District Office.
Edward C. Creutz (1913-2009) was an American physicist who worked on the Manhattan Project at Los Alamos and at the University of Chicago Metallurgical Laboratory.
George Kistiakowsky (1900-1982) was a Ukrainian-American physical chemist. He joined the Manhattan Project in late January 1944, leaving his role as chief of the National Defense Research Committee’s Explosives Division.