National Museum of Nuclear Science & History
Lawrence Sperry worked for the United States Engineer District Office.
Frank H. Travis Jr. served in the First Ordnance Squadron.
Raymond Sheline was a chemist at Columbia University and a member of the Special Engineer Detachment at Oak Ridge and Los Alamos.
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.
