Lê Quý Đôn
Lê Quý Đôn (chữ Hán: (黎貴惇; 2 August 1726 – 11 June 1784), né Lê Danh Phương, on his pen name is Doãn Hậu 允厚, and Quế Đường 桂堂 was an 18th-century  Vietnamese poet, encyclopedist, and government official. His pseudonym was Quế - Đường. He was a native of Duyen Ha village in present-day Thái Bình Province. He is considered one of the most outstanding and prolific Vietnamese polymaths of the early modern period.