National Museum of Nuclear Science & History
Mathis worked for Stone and Webster Engineering 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.
Bill Bramer served in the 1395th Military Police Company, Aviation.
Jose R. Valdez was a staff worker at Los Alamos during the Manhattan Project.
