Jing Fang

Jing Fang (京房) (7837 BC), born Li Fang (李房), courtesy name Junming (君明), was a Chinese music theorist, mathematician and astronomer born in present-day Puyang, Henan during the Han dynasty (202 BC 220 AD). Although better known for his work in musical measurements, he also accurately described the basic mechanics of lunar and solar eclipses.