National Museum of Nuclear Science & History
Roy W. Carlson was an engineer. He worked on the Manhattan Project at Los Alamos and the University of California, Berkeley, as a member of the Explosives Division and Group X-2A.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
W. J. Denton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
