National Museum of Nuclear Science & History
Queenabelle Syvester was a staff worker at Los Alamos during the Manhattan Project.
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.
Downs worked in the United States Engineer District Office.
J. A. Lauber worked for the Roane-Anderson Company.