National Museum of Nuclear Science & History
L. P. Schmitt worked for the United States Engineer District Office.
Samuel Podgor was born to Russian-migrants in New York City. He served in the Special Engineer Detachment at Los Alamos, NM where he worked in the Theoretical Division under Klaus Fuchs.
Lawrence S. O’Rourke began working on the Manhattan Project at Columbia University after he was called up from the Army Reserves in 1943.