National Museum of Nuclear Science & History
Desiderio Vigil was a staff worker at Los Alamos during the Manhattan Project.
L. E. Jameson worked for the United States Engineer District Office.
Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
