MATHEMATICIAN

Abū Ja'far al-Khāzin

900 - 960

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Abu Jafar Muhammad ibn Husayn Khazin (Persian: ابوجعفر خازن خراسانی; 900–971), also called Al-Khazin, was an Iranian Muslim astronomer and mathematician from Khorasan. He worked on both astronomy and number theory. Al-Khazin was one of the scientists brought to the court in Ray, Iran by the ruler of the Buyid dynasty, Adhad ad-Dowleh, who ruled from 949 to 983. In 959/960, Khazin was required to measure the obliquity of the ecliptic by the vizier of Ray, who was appointed by ad-Dowleh. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Abū Ja'far al-Khāzin is the 247th most popular mathematician (up from 338th in 2019). (up from 1,519th in 2019)

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Among MATHEMATICIANS

Among mathematicians, Abū Ja'far al-Khāzin ranks 247 out of 1,004. Before him are Ahmes, Ibn al-Shatir, Xu Guangqi, Ernst Zermelo, Abū Sahl al-Qūhī, and Vergilius of Salzburg. After him are Henri Cartan, John Charles Fields, Anatoly Fomenko, Gösta Mittag-Leffler, Charles-Eugène Delaunay, and Paolo Ruffini.

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Contemporaries

Among people born in 900, Abū Ja'far al-Khāzin ranks 22. Before him are Berengar II of Italy, Guy III of Spoleto, Antipope Christopher, Zoe Karbonopsina, Yasovarman I, and Donald II of Scotland. After him are Theodora, Ulf Jarl, George Hamartolos, Alberic I of Spoleto, Symeon the Metaphrast, and Hermann Billung. Among people deceased in 960, Abū Ja'far al-Khāzin ranks 2. Before him is Ahmad ibn Fadlan. After him are Časlav, and Fulk II, Count of Anjou.

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