Jing Fang

Jing Fang (Chinese: 京房; pinyin: Jīng Fáng; Wade–Giles: Ching Fang, 78–37 BC), born Li Fang (李房), courtesy name Junming (君明), was born in present-day 東郡頓丘 (Puyang, Henan) during the Han dynasty (202 BC – 220 AD). He was a Chinese music theorist, mathematician and astronomer. Although better known for his work in musical measurements, he also accurately described the basic mechanics of lunar and solar eclipses.