MATHEMATICIAN

Ahmad ibn Yusuf

835 - 912

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Abu Ja'far Ahmad ibn Yusuf ibn Ibrahim ibn Tammam al-Siddiq Al-Baghdadi (Arabic: أبو جعفر أحمد بن يوسف بن ابراهيم بن تمام الصديق البغدادي; 835–912), known in the West by his Latinized name Hametus, was a Muslim Arab mathematician, like his father Yusuf ibn Ibrahim (Arabic: يوسف بن ابراهيم الصدَيق البغدادي). Read more on Wikipedia

His biography is available in different languages on Wikipedia. Ahmad ibn Yusuf is the 582nd most popular mathematician (down from 229th in 2019), the 275th most popular biography from Iraq (down from 143rd in 2019) and the 6th most popular Iraqi Mathematician.

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Among MATHEMATICIANS

Among mathematicians, Ahmad ibn Yusuf ranks 582 out of 1,004. Before him are Georg Mohr, Max Noether, Francesco Barozzi, Julius Weisbach, Johannes de Muris, and Thomas Wright. After him are Stanisław Leśniewski, Ulisse Dini, Jacques Pelletier du Mans, Plato Tiburtinus, Grégoire de Saint-Vincent, and Lipót Fejér.

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Contemporaries

Among people born in 835, Ahmad ibn Yusuf ranks 6. Before him are Louis the Younger, Lothair II, Ahmad ibn Tulun, Siemowit, and Conrad II, Duke of Transjurane Burgundy.  Among people deceased in 912, Ahmad ibn Yusuf ranks 10. Before him are Ibn Khordadbeh, Abdullah ibn Muhammad al-Umawi, Rudolph I of Burgundy, Zhu Wen, Notker the Stammerer, and Smbat I of Armenia.

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In Iraq

Among people born in Iraq, Ahmad ibn Yusuf ranks 275 out of 384. Before him are Ali Akbar Salehi (1949), Abu Firas al-Hamdani (932), Nazik Al-Malaika (1923), Isidore of Charax (-50), Muhammad al-Sadr (1943), and Entemena (-2430). After him are Ashur-resh-ishi II (-1100), Ibn Abi'l-Hadid (1190), Kurigalzu II (-1400), Jacob of Serugh (451), Abu Isa al-Warraq (null), and Enlil-kudurri-usur (-1300).

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Among MATHEMATICIANS In Iraq

Among mathematicians born in Iraq, Ahmad ibn Yusuf ranks 6. Before him are Muḥammad ibn Ibrāhīm al-Fazārī (746), Al-Samawal al-Maghribi (1130), Yaʿqūb ibn Ṭāriq (800), Abu Mansur al-Baghdadi (980), and Ibrahim ibn Sinan (908).

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