National Museum of Nuclear Science & History
Doyel Stephenson worked for the J.A. Jones Construction Company.
Norman F. Modine was a research assistant at the University of Chicago Met Lab. He was a signer of the Szilard petition.
James R. Chapman was an engineer working for Stone & Webster when he was recruited to work on the Manhattan Project.
Jas Nighbert worked for Clinton Laboratories at the X-10 Reactor.
