Yan Zhenqing (simplified Chinese: 颜真卿; traditional Chinese: 顏真卿; pinyin: Yán Zhēnqīng; Wade–Giles: Yen Chench'ing) (709–785) was a leading Chinese calligrapher and a loyal governor of the Tang Dynasty. His artistic accomplishment in Chinese calligraphy parallels the greatest master calligraphers throughout the history, and his regular script style, Yan, is often imitated.
Read more about Yan Zhenqing: Calligraphy Achievement, Influence