Jung Yakyong
정약용
Jeong Yakyong was a scholar of Practical Learning (實學 Silhak) in the late Joseon period who left a vast amount of writing in almost all academic disciplines, including politics, economics, history, geography, literature, philosophy, medicine, education, military science, and natural science. He is not only known as a master of Silhak but also known as a representative poet and a composer of outstanding poems.