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858 - 929

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Abū ʿAbd Allāh Muḥammad ibn Jābir ibn Sinān al-Raqqī al-Ḥarrānī aṣ-Ṣābiʾ al-Battānī (Arabic: محمد بن جابر بن سنان البتاني), usually called al-Battānī, a name that was in the past Latinized as Albategnius, (before 858 – 929) was an astronomer, astrologer and mathematician, who lived and worked for most of his life at Raqqa, now in Syria. He is considered to be the greatest and most famous of the astronomers of the medieval Islamic world. Al-Battānī's writings became instrumental in the development of science and astronomy in the west. Read more on Wikipedia

Since 2007, the English Wikipedia page of Al-Battani has received more than 286,016 page views. His biography is available in 50 different languages on Wikipedia. Al-Battani is the 59th most popular mathematician, the 169th most popular biography from Turkey (down from 154th in 2019) and the 3rd most popular Turkish Mathematician.

Al-battani was a Muslim astronomer and mathematician who is most famous for his discovery of the astronomical phenomenon known as the precession of the equinoxes.

Memorability Metrics

  • 290k

    Page Views (PV)

  • 68.54

    Historical Popularity Index (HPI)

  • 50

    Languages Editions (L)

  • 8.50

    Effective Languages (L*)

  • 2.83

    Coefficient of Variation (CV)

Page views of Al-Battanis by language


Among mathematicians, Al-Battani ranks 59 out of 823Before him are Sofia Kovalevskaya, Nikolai Lobachevsky, Gaspard Monge, Abu al-Wafa' Buzjani, Abraham de Moivre, and Brahmagupta. After him are Marin Mersenne, August Ferdinand Möbius, Simon Stevin, Niccolò Fontana Tartaglia, Alfred North Whitehead, and Ludolph van Ceulen.

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Among people born in 858, Al-Battani ranks 2Before him is Mansur Al-Hallaj. After him are Áed mac Cináeda and Richard, Duke of Burgundy. Among people deceased in 929, Al-Battani ranks 3Before him are Charles the Simple and Pope John X. After him are Pope Leo VI, Adalbert I of Ivrea, and Ælfthryth, Countess of Flanders.

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Others Deceased in 929

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In Turkey

Among people born in Turkey, Al-Battani ranks 169 out of 1,301Before him are Michael I Rangabe (770), Arrian (89), Clement of Ohrid (840), Evliya Çelebi (1611), Abdullah Gül (1950), and Nikephoros III Botaneiates (1002). After him are Andronikos III Palaiologos (1297), Pope John VII (650), Romanos III Argyros (968), John II Komnenos (1087), Constantine X Doukas (1006), and Michael II (770).


Among mathematicians born in Turkey, Al-Battani ranks 3Before him are Apollonius of Perga (-262) and Eudoxus of Cnidus (-408). After him are Anthemius of Tralles (474), Thābit ibn Qurra (836), Simplicius of Cilicia (490), Callippus (-370), Autolycus of Pitane (-360), Theon of Smyrna (70), Theodosius of Bithynia (-160), and Suzan Kahramaner (1913).