National Museum of Nuclear Science & History
R. L. Doan worked for Clinton Laboratories at the X-10 Reactor.
E. J. Bruckenheimer worked for the Fercleve Corporation.
Roger Sr was a mechanical engineer having graduated from Stanford University during World War II. He and his wife, Katherine Barnes were recruited by the FBI who made contact with them at the Santa Fe training station when they were leaving town, after their honeymoon at Ghost Ranch.
Pierce worked in the 200 West Area at Hanford during the Manhattan Project.