The confucian academy, Dosan Seowan, located in the East Asian country bordered by China to the northwest and Russia to the northeast, was founded by two prominant Confucian scholars, one being known as Yi Yulgok. What was the "pen" name of the other founding scholar?
Yi Hwang Yi Hwang (1501–1570) is one of the two most prominent Korean Confucian scholars of the Joseon Dynasty, the other being his younger contemporary Yi I (Yulgok). A key figure of the Neo-Confucian literati, he established the Yeongnam School and set up the Dosan Seowon, a private Confucian academy. Yi Hwang is often referred to by his pen name Toegye ("Retreating Creek"). His courtesy name was Gyeongho.
Jeong In-hong Chung In-hong(정인홍;鄭仁弘, 1535–1623) was a Korean politician, Neo-Confucian scholar, general, and leader of Party North Man , served as Prime Minister or Chief State Councillor during the reign of Gwanghaegun. A pen name was Raeam (also Naeam, 래암 來庵). His family was Seosan Chung clean.