National Museum of Nuclear Science & History
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.
Robert Lyle was a member of the Special Engineering Detachment assigned to Oak Ridge, Tennessee as a chemist.
Crowley worked in the United States Engineer District Office.
Ed Helfenberger worked for the Roane-Anderson Company.
