National Museum of Nuclear Science & History
J. N. Holt worked for the United States Engineer District Office.
Raymond Welle served in the 1395th Military Police Aviation.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
Roy Greenlee was a chemist at the University of Chicago Metallurgical Lab and at Oak Ridge, Tennessee.