National Museum of Nuclear Science & History
Kittrell worked for Stone and Webster Engineering Corporation.
R. L. Campbell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. A. Smith worked for the J.A. Jones Construction Company.
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.