丘处机
Qiu Chuji (10 February 1148– 21 August 1227), also known by his Taoist name Master Changchun, was a Taoist disciple of Wang Chongyang. He was the most famous among the Seven True Taoists of the North. He was the founder of the Dragon Gate sect of Taoism attracting the largest following in the streams of traditions flowing from the sects of the disciples.