National Museum of Nuclear Science & History
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
C. E. Ferris worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George S. Monk was a physicist at the University of Chicago Met Lab and an expert on optics. He was married to the mathematician Ardis Monk.