National Museum of Nuclear Science & History
W. O. Lawrence worked for the J.A. Jones Construction Company.
James Nolan was a captain in the Provisional Engineer Detachment at Los Alamos.
Attended Wayne University.
Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.
Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.