National Museum of Nuclear Science & History
M. A. Ruth worked for the United States Engineer District Office.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Paul was a staff member at Los Alamos during the Manhattan Project.
Arthur A. Robson worked for the Tennessee Eastman Corporation at the Y-12 Plant. While working at Oak Ridge, he met and married Melba Johnston, who was working as a biomedical technician for the Manhattan Project.
