Jeong_Gu
Jeong Gu
Korean historian, philosopher, poet and politician
Jeong Gu (9 July 1543 – 5 January 1620) was a Korean historian, philosopher, poet, and politician of the Joseon period. He learned from the Korean scholars Yi Hwang[1] and Cho Shik.[2] A key figure of the Neo-Confucian literati, he established the Yeongnam School and set up the Baekmaewon (백매원, 百梅園[3]), a private Confucian academy. His pen names were Hangang (한강; 寒岡) and Hoeyeonyain (회연야인; 檜淵野人), and courtesy name was Doga (도가; 道可) and Gabo (가보; 可父).
He was the ideological successor of Yi Hwang and Cho Shik, moral support of Namin faction (남인; 南人) and Bokin faction (북인; 北人). His masters were Heo Mok, Yun Hyu, and Yun Seondo. There was a conflict called the Yesong Controversy (예송논쟁) then polemic of the Namin faction. He came from the Cheongju Jeong clan (청주 정씨; 淸州 鄭氏).