National Museum of Nuclear Science & History
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.
Robert Sackheim was an American scientist and advertiser. Sackheim was born in New York. He earned a B.
Ralph worked at the 300 Area at Hanford during the Manhattan Project.
