MATHEMATICIAN

Ibn Sahl

940 - 1000

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Ibn Sahl (full name: Abū Saʿd al-ʿAlāʾ ibn Sahl Persian: ابوسعدالعلاءِبن سعل (ابن سهل); c. 940–1000) was a Persian mathematician and physicist of the Islamic Golden Age, associated with the Buyid court of Baghdad. Nothing in his name allows us to glimpse his country of origin. He is known to have written an optical treatise around 984. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Ibn Sahl is the 206th most popular mathematician (up from 390th in 2019). (up from 1,796th in 2019)

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Among MATHEMATICIANS

Among mathematicians, Ibn Sahl ranks 206 out of 1,004. Before him are Charles Proteus Steinmetz, Ernst Schröder, Tatyana Afanasyeva, Conon of Samos, Victor D'Hondt, and André Weil. After him are Arthur Cayley, Maria Reiche, Henry Briggs, Mikhail Leonidovich Gromov, Paul Guldin, and Robert Grosseteste.

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Contemporaries

Among people born in 940, Ibn Sahl ranks 9. Before him are Abu al-Wafa' Buzjani, Géza, Grand Prince of the Hungarians, Mieszko I of Poland, Eadwig, Leopold I, Margrave of Austria, and Abu-Mahmud Khojandi. After him are Abū Sahl al-Qūhī, Ælfthryth, wife of Edgar, Baldwin III, Count of Flanders, Doubravka of Bohemia, Henry III, Duke of Bavaria, and Willigis. Among people deceased in 1000, Ibn Sahl ranks 5. Before him are Olaf Tryggvason, Al-Maqdisi, Bjarni Herjólfsson, and Abu-Mahmud Khojandi. After him are Zoe Karbonopsina, Abū Sahl al-Qūhī, Matsyendranatha, Ælfthryth, wife of Edgar, Harthacnut I of Denmark, García Sánchez II of Pamplona, and Henry of Speyer.

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