Yi Je hyeon

Yi Jehyeon (Korean: 이제현, hanja: 李齊賢, 1287–1367) was a politician and early Korean Neo-Confucianism scholar and philosopher, writer, and poet. His first name was Jigong (Korean:지공, hanja:之公). A pen name was Ikjae (익재, 益齋)·Yeogong (역옹, 櫟翁)·Shiljae (실재, 實齋), courtesy name was Jungsa (중사, 仲思). He was a follower and successor of Baek Yijeong (백이정, 白頤正), and was the father of Youngbi Lee, who was a concubine of Gongmin of Goryeo.