2. The founder of Yan Ti: Yan Zhenqing, Chen Qing, alias Fang Ying, Langya Linya, one of the four masters of regular script, a representative figure of calligraphy innovation in the middle Tang Dynasty, with golden fonts and vertical and horizontal images;
3. Founder of Liu Ti: Liu Gongquan, one of the four masters of regular script, was the last great calligrapher in the Tang Dynasty. His calligraphy is rigorous, powerful and vivid. Plus Yan Zhenqing's font, it is called Yan Liu Jingu.