National Museum of Nuclear Science & History
C. J. Meyer worked for the Roane-Anderson Company.
Frank Swoboda was a staff worker at Los Alamos during the Manhattan Project.
Leonard Lindey was a member of the Miltary Police assigned to Oak Ridge, Tennessee. He worked primarily in perimeter security, checking on all personnel coming in and out of the complex.
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.