National Museum of Nuclear Science & History
L. D. Larkin worked for the H. K. Ferguson Company.
Alvina Petrus was a stenographer and clerical worker at the Chicago Met Lab.
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.
Don Cowen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
