MATHEMATICIAN

Xu Guangqi

1562 - 1633

Photo of Xu Guangqi

Icon of person Xu Guangqi

Xu Guangqi or Hsü Kuang-ch'i (April 24, 1562 – November 8, 1633), also known by his baptismal name Paul or Paul Siu, was a Chinese agronomist, astronomer, mathematician, politician, and writer during the Ming dynasty. Xu was appointed by the Chinese Emperor in 1629 to be the leader of the Shixian calendar reform, which he embarked on with the assistance of Jesuits. Xu was a colleague and collaborator of the Italian Jesuits Matteo Ricci and Sabatino de Ursis and assisted their translation of several classic Western texts into Chinese, including part of Euclid's Elements. Read more on Wikipedia

Since 2007, the English Wikipedia page of Xu Guangqi has received more than 248,463 page views. His biography is available in 29 different languages on Wikipedia. Xu Guangqi is the 219th most popular mathematician (down from 212th in 2019), the 371st most popular biography from China (down from 365th in 2019) and the 5th most popular Chinese Mathematician.

Memorability Metrics

  • 250k

    Page Views (PV)

  • 59.69

    Historical Popularity Index (HPI)

  • 29

    Languages Editions (L)

  • 4.41

    Effective Languages (L*)

  • 2.93

    Coefficient of Variation (CV)

Among MATHEMATICIANS

Among mathematicians, Xu Guangqi ranks 219 out of 1,004. Before him are Antoine Augustin Cournot, Autolycus of Pitane, Willem de Sitter, Kazimierz Kuratowski, Callippus, and Michel Chasles. After him are Henri Cartan, Henry Briggs, Thomas Abbt, Anatoly Fomenko, Maria Reiche, and Israel Gelfand.

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Contemporaries

Among people born in 1562, Xu Guangqi ranks 5. Before him are Lope de Vega, Charles Emmanuel I, Duke of Savoy, Jan Pieterszoon Sweelinck, and Vincenzo Gonzaga, Duke of Mantua. After him are Cornelis van Haarlem, Pietro Bernini, Cesare d'Este, Duke of Modena, John William, Duke of Jülich-Cleves-Berg, Friedrich Wilhelm I, Duke of Saxe-Weimar, Ottavio Rinuccini, and Ercole, Lord of Monaco. Among people deceased in 1633, Xu Guangqi ranks 7. Before him are Jacopo Peri, Isabella Clara Eugenia, Cornelis Drebbel, Scipione Borghese, Pieter Lastman, and Patriarch Filaret of Moscow. After him are Catherine of Cleves, Catherine Henriette de Balzac d'Entragues, Lew Sapieha, Christian, Duke of Brunswick-Lüneburg, George Herbert, and Sigrid of Sweden.

Others Born in 1562

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Others Deceased in 1633

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In China

Among people born in China, Xu Guangqi ranks 371 out of 1,610. Before him are Jayaatu Khan Tugh Temür (1304), Guo Moruo (1892), Yoshiko Yamaguchi (1920), Fuchai (-550), Trisong Detsen (742), and Terence Young (1915). After him are Bei Dao (1949), Zhang Daoling (34), 11th Dalai Lama (1838), Emperor Zhaozong of Tang (867), Guo Xi (1020), and Taiichi Ohno (1912).

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Among MATHEMATICIANS In China

Among mathematicians born in China, Xu Guangqi ranks 5. Before him are Zhang Heng (78), Zu Chongzhi (429), Liu Hui (225), and Wang Chong (27). After him are Guo Shoujing (1231), Shing-Tung Yau (1949), Yi Xing (683), Liu Xin (-50), Shiing-Shen Chern (1911), Zhu Shijie (1249), and Qin Jiushao (1201).

Chinese born Mathematicians

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