National Museum of Nuclear Science & History
H. T. Hunsicker worked for the Midwest Piping and Supply Company.
Peter Watkins was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
A. D. Caley worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ralph Nobles was one of three brothers to work on the Manhattan Project. He and his brother William worked at Los Alamos, while brother Robert was at the University of Chicago’s Metallurgical Laboratory.