郭守敬
Kublai Khan recognized Jin's Central Capital as the capital of the Yuan, and renamed it to Dadu ("Great Capital"). Liu Bingzhong was the planner and the original architect of the Capital Construction of Dadu. Liu also designed and planned the layout of the Yuan's summer capital at Xanadu (Shangdu). Liu formulated the Time Service Calendar with Guo Shoujing. When he became the teacher of Zhenjin, who later became the Crown Prince (), he set up the Zishan College in Wuon Mountain to teach Confucianism and Natural Science.