Kim Jang-saeng
Kim Jang-saeng (Korean: 김장생; Hanja: 金長生; July 8, 1548 – August 3, 1631) was a Neo-Confucian scholar, politician, educator, and writer of Korea's Joseon period. He was successor to the Neo-Confucian academic tradition of Yulgok Yi I (이이) and Seong Hon (성혼).