National Museum of Nuclear Science & History
Duffer Crawford worked for the civilian contractor Kellex Coroporation in New York under the supervision of Judson Swearingen.
J. R. Brand worked for Clinton Laboratories at the X-10 Reactor.
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.