the Book of Changes and compiled a commentary on it called the Yi Zhuan. He served as a gentleman cadet and county magistrate in Pengcheng Commandery. He left office when his patron Yang Ci died and refused invitations from the capital. In 191, Wang Lang became Headquarters Officer to Tao Qian. Tao Qian made Wang Lang the Administrator of Kuaiji Commandery, where Wang Lang established a luxurious court, which recorded one of the earliest local histories of China. In 196, Sun Ce invaded Wang Lang's territory and forced him to surrender, but Wang Lang refused to serve him. Two years later Wang Lang was allowed to leave for Cao Cao's court, where he would eventually rise to the position of Excellency under the rule of Cao Pi in 220. During his career he campaigned against the use of mutilation as a punishment and argued for the importance of education as a means to reduce the need for severe punishments. Wang Lang died in 228, leaving a collection of memorials and commentaries on the classics. Xu Gong Xu Gong took over Wu Commandery in 193. In 196 he was defeated by Sun Ce and forced to take refuge with Yan Baihu. In 200 Xu Gong allied himself to Cao Cao but was defeated in battle and executed. His retainers ambushed Sun Ce and killed him later that year. Xu Zhao Xu Zhao was a leader in southern Wu Commandery. He gave refuge to both Sheng Xian and Yan Baihu as they were driven from their territory in the north. Although Cheng Pu advised Sun Ce to attack Xu Zhao, Sun Ce refused out of respect for his willingness to help others in need. Xu Zhao was later destroyed by Sun Quan in 200. Zhang Chao Zhang Chao was the Administrator of Guangling Commandery in 190. He joined the coalition in the Campaign against Dong Zhuo. In 194 Zhang Chao joined his brother Zhang Miao in alliance with Lü Bu against Cao Cao in Yan Province. They were defeated and Zhang Chao was besieged in Yongqiu, Chenliu Commandery in 195. He killed himself and his family. Zhang Jin Zhang Jin was the Administrator of Zhangye Commandery. He joined Huang Hua in opposing Cao Cao in 220 but was killed by Su Ze. Zhang Meng Zhang Meng was the Administrator of Wuwei Commandery. In 206 Zhang Meng killed the Inspector Handan Shang and