Mathematician:Qin Jiushao

Mathematician
Chinese mathematician, meteorologist, inventor, politician, and writer.

Credited with the discovery of the Ruffini-Horner method.

Also credited with inventing the Tianchi basin, a type of rain gauge instrument used to gather meteorological data.

Noted in particular for having a boisterous personality with a violent streak.

Nationality
Chinese

History

 * Born: 1202 in Puzhou (Anyue), Szechwan province, China
 * Died: 1261 in Meizhou (now Meixian), Guangtong province, China

Writings

 * 1248: Shushu Jiuzhang ("Mathematical Treatise in Nine Sections")

Also known as
In Chinese: 秦九韶

With tones: Qín Jiǔsháo

Also transliterated Ch'in Chiu-shao.

His courtesy name was Daogu (Chinese: 道古).