National Museum of Nuclear Science & History
H. B. Smith worked for the United States Engineer District Office.
Nicholas Simanovich served in the 393rd Bombardment Squadron.
Gonzalo Williams was a staff worker at Los Alamos during the Manhattan Project.
G. M. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.