National Museum of Nuclear Science & History
Chellberg worked for Stone and Webster Engineering Corporation.
T. J. Costello worked for the Comstock-Bryant Electric Company.
J. A. Drake 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.
Raymond Reinhart worked for the Tennessee Eastman Corporation at the Y-12 Plant.
