Sheng Kai: Ou Yangxun, the first of the four calligraphers in the early Tang Dynasty, is the representative work of Jiucheng Palace's Ming of Liquan, Huangfu Birthday Monument and Huadu Temple Monument.
Cao Sheng: Zhang Xu, a calligrapher in the Tang Dynasty, whose masterpieces include The Pavilion of Spring Flower and Abdominal Pain.