National Museum of Nuclear Science & History
Warren Johnson worked for Clinton Laboratories at the X-10 Reactor.
M. J. O'Hara worked for the Tennessee Eastman Corporation at the Y-12 Plant.
B. Roswell Russell worked at the Metallurgical Laboratory in Chicago during the Manhattan Project. He was one of seventy signers of the Szilard Petition.
Edward C. Stephenson served in Project Alberta and the United States Naval Reserves.
