Facts: - mrho: tasan - hangulho: - rrja: miyong '' or '' songbo - hanjaho: - hangulja: '' or '' - mrja: miyong '' or '' songbo - hanjaja: '' or '' - img: jeong yak-yong . jpg - rrho: dasan - hangul: - mr: chong yagyong - rr: jeong yak-yong - hanja: Based on these bullet points, write a short biography describing the life of jeong yak-yong .
jeong yak-yong -lrb- 5 august 1762 -- 7 april 1836 -rrb- , -lrb- nam in ; south person -rrb- , often simply known as ' dasan ' -lrb- , one of his ' ho ' / pen-names meaning ' the mountain of tea ' -rrb- , was born on the 16th day of the 6th lunar month , 1762 , in gwangju county , gyeonggi province , and died there on the 22nd day of the 2nd lunar month , 1836 .he was one of the greatest thinkers of the later joseon period , wrote highly influential books about philosophy , science and theories of government , held significant administrative positions , was a close confident of king jeongjo -lrb- ruled 1776-1800 -rrb- , and was noted as a poet .his philosophical position is often identified with the silhak -lrb- practical learning -rrb- school , his concerns are better seen as explorations of neo-confucian themes .he spent 18 years in exile in gangjin , south jeolla province , from 1801 until 1818 , on account of his membership of the southerners -lrb- nam-in -rrb- faction , and also because of the catholic faith of his elder brother .his clan originated in naju , south jeolla province .at birth he was given the courtesy title -lrb- choja -rrb- gwi 'n ong -lrb- -rrb- , later he was also known by the ja miyong -lrb- -rrb- and songbu -lrb- -rrb- -rrb- ; among his ho -lrb- , pen-names -rrb- were saam -lrb- -rrb- , tagong -lrb- -rrb- , taesu -lrb- -rrb- , jahadoin -lrb- -rrb- , cheolmasanin -lrb- -rrb- , dasan -lrb- -rrb- , yeoyudang -lrb- , the name of his house -rrb- , and mundo -lrb- , his name as a poet -rrb- .korean catholics sometimes claim that he was baptized with the name john baptist , but there is no documentary proof of this .