. "1920Z"^^ . "Hyatt, John Wesley"@en . "1837-11-28Z"^^ . "John Wesley Hyatt"@en . "John Wesley Hyatt (November 28, 1837 \u2013 May 10, 1920) was an American inventor. He is mainly known for simplifying the production of celluloid, the first industrial plastic. Hyatt, a Perkin Medal recipient, is an inductee into the National Inventors Hall of Fame."@en . . "John Wesley Hyatt"@en . "American inventor of plastic" . "1920-05-10Z"^^ . . . "1837Z"^^ . .