Chinese astronomer, mathematician, and engineer who created the Daming calendar and found several close approximations for .
Found on http://www.britannica.com/eb/a-z/z/11
Zu Chongzhi (429–500), courtesy name Wenyuan, was a prominent Chinese mathematician and astronomer during the Liu Song and Southern Qi Dynasties. ==Life and works== Chongzhi`s ancestry was from modern Baoding, Hebei. To flee from the ravage of war, Zu`s grandfather Zu Chang moved to the Yangtze, as part of the massive population movement durin..
Found on http://en.wikipedia.org/wiki/Zu_Chongzhi
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