National Museum of Nuclear Science & History
Paul Langguth worked for the United States Engineer District Office.
K. L. Mallory served in the 509th Headquarters and Base Services Squadron.
John G. Holmes, Jr. served in the 1st Ordnance Squadron.
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.
Henry worked at the 300 Area at Hanford during the Manhattan Project.
