Person

Líu Ān

Chinese prince, advisor, and writer

b. 179 BCE – d. 122 BCE World The Far East

Líu Ān (179 BCE – 122 BCE) is a Chinese prince and advisor to his nephew, Emperor Wu of Han of the Han Dynasty in China and the legendary inventor of t'ai chi.

With his book, the Huainanzi, he is responsible for further advancement in the studies of cartography and geography in ancient China.