Zu Geng or Zu Gengzhi (; ca. 480 – ca. 525) was a Chinese mathematician, politician, and writer. His
courtesy name
A courtesy name (), also known as a style name, is a name bestowed upon one at adulthood in addition to one's given name. This practice is a tradition in the East Asian cultural sphere, including China, Japan, Korea, and Vietnam.Ulrich Theob ...
was Jingshuo (). He was the son of the famous mathematician
Zu Chongzhi
Zu Chongzhi (; 429–500 AD), courtesy name Wenyuan (), was a Chinese astronomer, mathematician, politician, inventor, and writer during the Liu Song and Southern Qi dynasties. He was most notable for calculating pi as between 3.1415926 and 3 ...
.
He is known principally for deriving and proving the formula for the volume of a sphere. He additionally measured the angular distance between
Polaris and the
celestial north pole
The north and south celestial poles are the two points in the sky where Earth's rotation around a fixed axis, axis of rotation, indefinitely extended, intersects the celestial sphere. The north and south celestial poles appear permanently dire ...
.
See also
*
List of Chinese mathematicians
References
External links
*
480 births
525 deaths
5th-century Chinese mathematicians
6th-century Chinese writers
6th-century Chinese mathematicians
Ancient Chinese mathematicians
Liang dynasty politicians
Southern Qi politicians
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