National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
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.
Bill Ginkel was born in Rochester, New York on August 14th, 1920. After graduating from Madison High School, Ginkel spent five years studying Chemical Engineering and Business at the University of Rochester, where he graduated in 1943.