Yi Chung-hwan
Yi Chung-hwan was a Joseon civil servant and geographer. He wrote the classic , describing places in Korea in detail, including Eight [Provinces of Korea|provinces] of Pyeong'an, Hamgyeong, Hwanghae, Gangwon [Province (historical)|Gangwon], Gyeongsang, Jeolla, Chungcheong, and Gyeonggi.