Yi Je-hyeon
Neo-Confucian scholar who studied with Yuan scholars at the Mangwondang and wrote the Saryak and Yeogong paeseol
He learned Neo-Confucianism from Baek I-jeong. When there were moves in Yuan to turn Goryeo into a Yuan province, he wrote in opposition. He served as chief minister under King Gongmin. His Saryak was a history written from a Neo-Confucian perspective, of which only the commentaries survive, and the Yeogong paeseol is a collection of anecdotes and poetry criticism. His collected works are the Ikjae nango.