MATHEMATICIAN
Qin Jiushao
1201 - 1261

Qin Jiushao
Qin Jiushao (Chinese: 秦九韶; pinyin: Qín Jiǔsháo; Wade–Giles: Ch'in Chiu-shao, ca. 1202–1261), courtesy name Daogu (道古), was a Chinese mathematician, meteorologist, inventor, politician, and writer. He is credited for discovering Horner's method as well as inventing Tianchi basins, a type of rain gauge instrument used to gather meteorological data. Read more on Wikipedia
His biography is available in different languages on Wikipedia. Qin Jiushao is the 395th most popular mathematician (down from 394th in 2019), the 602nd most popular biography from China (up from 644th in 2019) and the 12th most popular Chinese Mathematician.
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Among MATHEMATICIANS
Among mathematicians, Qin Jiushao ranks 395 out of 1,004. Before him are Richard Courant, Rudolf Lipschitz, Sergei Natanovich Bernstein, Carl Ludwig Siegel, William George Horner, and Helmut Hasse. After him are Theon of Smyrna, Thomas Fincke, Philippe de La Hire, Bhāskara I, Rolf Nevanlinna, and Peter Barlow.
Most Popular Mathematicians in Wikipedia
Go to all RankingsRichard Courant
1888 - 1972
HPI: 62.51
Rank: 389
Rudolf Lipschitz
1832 - 1903
HPI: 62.50
Rank: 390
Sergei Natanovich Bernstein
1880 - 1968
HPI: 62.49
Rank: 391
Carl Ludwig Siegel
1896 - 1981
HPI: 62.45
Rank: 392
William George Horner
1786 - 1837
HPI: 62.40
Rank: 393
Helmut Hasse
1898 - 1979
HPI: 62.36
Rank: 394
Qin Jiushao
1201 - 1261
HPI: 62.34
Rank: 395
Theon of Smyrna
70 - 135
HPI: 62.34
Rank: 396
Thomas Fincke
1561 - 1656
HPI: 62.33
Rank: 397
Philippe de La Hire
1640 - 1718
HPI: 62.31
Rank: 398
Bhāskara I
600 - 680
HPI: 62.29
Rank: 399
Rolf Nevanlinna
1895 - 1980
HPI: 62.28
Rank: 400
Peter Barlow
1776 - 1862
HPI: 62.28
Rank: 401
Contemporaries
Among people born in 1201, Qin Jiushao ranks 12. Before him are Baiju, John I of Sweden, Robert de Sorbon, Butvydas, Al-Baydawi, and Philip I, Count of Boulogne. After him are Kebek, Emperor Mo of Jin, Elena Asenina of Bulgaria, Daumantas of Lithuania, Bernard Desclot, and Alberic of Trois-Fontaines. Among people deceased in 1261, Qin Jiushao ranks 4. Before him are Pope Alexander IV, Al-Mustansir, and Henry III, Duke of Brabant. After him is Sanchia of Provence.
Others Born in 1201
Go to all RankingsBaiju
MILITARY PERSONNEL
1201 - 1300
HPI: 68.64
Rank: 6
John I of Sweden
POLITICIAN
1201 - 1222
HPI: 68.10
Rank: 7
Robert de Sorbon
RELIGIOUS FIGURE
1201 - 1274
HPI: 68.00
Rank: 8
Butvydas
POLITICIAN
1201 - 1295
HPI: 64.86
Rank: 9
Al-Baydawi
PHILOSOPHER
1201 - Present
HPI: 64.85
Rank: 10
Philip I, Count of Boulogne
POLITICIAN
1201 - 1235
HPI: 62.47
Rank: 11
Qin Jiushao
MATHEMATICIAN
1201 - 1261
HPI: 62.34
Rank: 12
Kebek
POLITICIAN
1201 - 1326
HPI: 61.87
Rank: 13
Emperor Mo of Jin
POLITICIAN
1201 - 1234
HPI: 61.75
Rank: 14
Elena Asenina of Bulgaria
NOBLEMAN
1201 - 1201
HPI: 61.49
Rank: 15
Daumantas of Lithuania
NOBLEMAN
1201 - 1285
HPI: 61.20
Rank: 16
Bernard Desclot
HISTORIAN
1201 - 1287
HPI: 60.47
Rank: 17
Alberic of Trois-Fontaines
WRITER
1201 - 1250
HPI: 59.63
Rank: 18
Others Deceased in 1261
Go to all RankingsPope Alexander IV
RELIGIOUS FIGURE
1200 - 1261
HPI: 77.18
Rank: 1
Al-Mustansir
POLITICIAN
1300 - 1261
HPI: 67.42
Rank: 2
Henry III, Duke of Brabant
POLITICIAN
1231 - 1261
HPI: 63.24
Rank: 3
Qin Jiushao
MATHEMATICIAN
1201 - 1261
HPI: 62.34
Rank: 4
Sanchia of Provence
NOBLEMAN
1225 - 1261
HPI: 58.33
Rank: 5
In China
Among people born in China, Qin Jiushao ranks 602 out of 1,610. Before him are Joan Chen (1961), Ti Lung (1946), Sengcan (529), Liu Bocheng (1892), Ding Ling (1904), and Yin Lihua (5). After him are Peng Zhen (1902), Ban Biao (3), Zhang Zai (1020), Li Hong (null), Li Yu (1610), and Roy Chiao (1927).
Others born in China
Go to all RankingsJoan Chen
ACTOR
1961 - Present
HPI: 62.38
Rank: 596
Ti Lung
ACTOR
1946 - Present
HPI: 62.37
Rank: 597
Sengcan
RELIGIOUS FIGURE
529 - 606
HPI: 62.37
Rank: 598
Liu Bocheng
POLITICIAN
1892 - 1986
HPI: 62.35
Rank: 599
Ding Ling
WRITER
1904 - 1986
HPI: 62.35
Rank: 600
Yin Lihua
POLITICIAN
5 - 64
HPI: 62.35
Rank: 601
Qin Jiushao
MATHEMATICIAN
1201 - 1261
HPI: 62.34
Rank: 602
Peng Zhen
POLITICIAN
1902 - 1997
HPI: 62.34
Rank: 603
Ban Biao
POLITICIAN
3 - 54
HPI: 62.33
Rank: 604
Zhang Zai
PHILOSOPHER
1020 - 1077
HPI: 62.28
Rank: 605
Li Hong
ATHLETE
HPI: 62.25
Rank: 606
Li Yu
WRITER
1610 - 1680
HPI: 62.25
Rank: 607
Roy Chiao
ACTOR
1927 - 1999
HPI: 62.24
Rank: 608
Among MATHEMATICIANS In China
Among mathematicians born in China, Qin Jiushao ranks 12. Before him are Shing-Tung Yau (1949), Guo Shoujing (1231), Yi Xing (683), Liu Xin (-50), Shiing-Shen Chern (1911), and Zhu Shijie (1249). After him are Yang Hui (1238), Chen Jingrun (1933), Dai Zhen (1724), Wu Wenjun (1919), Hua Luogeng (1910), and Gu Chaohao (1926).
Shing-Tung Yau
1949 - Present
HPI: 64.73
Rank: 6
Guo Shoujing
1231 - 1316
HPI: 64.09
Rank: 7
Yi Xing
683 - 727
HPI: 63.66
Rank: 8
Liu Xin
50 BC - 23
HPI: 63.40
Rank: 9
Shiing-Shen Chern
1911 - 2004
HPI: 63.11
Rank: 10
Zhu Shijie
1249 - 1314
HPI: 63.07
Rank: 11
Qin Jiushao
1201 - 1261
HPI: 62.34
Rank: 12
Yang Hui
1238 - 1298
HPI: 61.42
Rank: 13
Chen Jingrun
1933 - 1996
HPI: 59.03
Rank: 14
Dai Zhen
1724 - 1777
HPI: 58.01
Rank: 15
Wu Wenjun
1919 - 2017
HPI: 56.80
Rank: 16
Hua Luogeng
1910 - 1985
HPI: 55.93
Rank: 17
Gu Chaohao
1926 - 2012
HPI: 54.86
Rank: 18