Qiū Chùjī (1148-1227) 丘處機 a.k.a. Chang Chun "Eternal Spring"
A pioneer of Daoism and Buddhism- Qiu Chu Ji founded the Dragon Gate sect of Daoism after deep interest and studies in Buddhist teachings. He also went by the name Chang Chun or "Eternal Spring". http://en.wikipedia.org/wiki/Qiu_Chuji