Hu Yuan

Hu Yuan, courtesy name Yizhi. Born in Hailing, Taizhou. Since he lived in the Fort Anding in the modern-day Zichang County, he was also called "Mr. Anding".
An educator from the Northern Song dynasty, he was considered one of the so-called "Three masters of the beginning of the Song dynasty". As an educator, he privileged the understating of the substance and function and literature as the way of the Confucian sages.
He was also considered one of the forerunners of Neo-Confucianism, was a teacher of Cheng Yi, and wrote a comment on the Yijing. Zhu Xi regarded him as a relatively important Confucian of the Song dynasty
He was the ancestor of Hu Dunfu, a modern Chinese mathematician.