Zu Geng or Zu Gengzhi (; ca. 480 – ca. 525) was a Chinese mathematician, politician, and writer. His
courtesy name
A courtesy name ( zh, s=字, p=zì, l=character), also known as a style name, is an additional name bestowed upon individuals at adulthood, complementing their given name. This tradition is prevalent in the East Asian cultural sphere, particula ...
was Jingshuo (). He was the son of the famous mathematician
Zu Chongzhi
Zu Chongzhi (; 429 – 500), courtesy name Wenyuan (), was a Chinese astronomer, inventor, mathematician, politician, and writer during the Liu Song and Southern Qi dynasties. He was most notable for calculating pi as between 3.1415926 and 3.1415 ...
.
He is known principally for deriving and proving the formula for the volume of a sphere. He additionally measured the angular distance between
Polaris
Polaris is a star in the northern circumpolar constellation of Ursa Minor. It is designated α Ursae Minoris (Latinisation of names, Latinized to ''Alpha Ursae Minoris'') and is commonly called the North Star or Pole Star. With an ...
and the
celestial north pole, which was greater 1600 years ago than it is today.
See also
*
List of Chinese mathematicians
This is a list of Chinese mathematicians. With a history spanning over three millennia, Chinese mathematics is believed to have initially developed largely independently of other cultures.
Classical
* Jing Fang: 78 – 37 BC
* Liu Xin: c. 50 BC ...
References
External links
*
480s births
520s deaths
5th-century Chinese mathematicians
6th-century Chinese writers
6th-century Chinese mathematicians
Liang dynasty government officials
Southern Qi government officials
Zu Chongzhi
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