. "Big Chief Mason"@en . . . "Garrett Augustus Morgan, Sr. (March 4, 1877 \u2013 July 27, 1963) was an African-American inventor and community leader. An invention he worked on was the development of a chemical for hair-straightening. He was the subject of a newspaper expose in Cleveland, Ohio, for a heroic rescue in 1916 of workers trapped within a water intake tunnel, 50 ft (15 m) beneath Lake Erie."@en . "1963-07-27Z"^^ . "Garrett Morgan"@en . . "1877-03-04Z"^^ . . "1963Z"^^ . "Morgan, Garrett A."@en . "American inventor" . . . "1877Z"^^ . "Big Duke"@en . .