"Korean scholar-bureaucrat" . "Park, Gyu-su"@en . . "Park Gyu-su (\uBC15\uADDC\uC218, \u6734\u73EA\u58FD, 1807\u20131877) was a scholar-bureaucrat, a teacher, a politician and a diplomat of Joseon Dynasty Korea. He was known as a pioneer of the enlightenment group. Park Gyu-su was a grandson of Park Ji-won, the great Silhak scholar of the Joseon. nickname was Hwanjae(\uD658\uC7AC, \u74DB\u9F4B), Hwanjae(\uD658\uC7AC, \u6853\u9F4B) en Heonjae(\uD5CC\uC7AC, \u737B\u9F4B), Hwanjaegeosa(\uD658\uC7AC\uAC70\uC0AC \u74DB\u9F4B\u5C45\u58EB)."@en . . "1877Z"^^ . "1807Z"^^ .