Zhang Zhi (simplified Chinese: 张芝; traditional Chinese: 張芝; pinyin: Zhāng Zhī; Wade–Giles: Chang Chih, died 192), courtesy name Boying (伯英), was a Chinese calligrapher during the Han dynasty. Born in Jiuquan, Gansu, he was a pioneer of the modern cursive script, and was traditionally honored as the Sage of Cursive Script (草聖).[1] Furthermore, he is known as one of the Four Talented Calligraphers (四賢) in Chinese calligraphy.[2]