Introduction to Wang Duo's self-portrait: Wang Duo (1592-1652), a native of Mengjin (now Mengjin, Luoyang, Henan), was a minister, calligrapher and painter in the late Ming and early Qing dynasties. The word Juesi means Juezhi. He was named Shiqiao, Songqiao, Chi'an, Chixian Taoist, and also named Yantan Yusou.