835 - 912
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
Since 2007, the English Wikipedia page of Ahmad ibn Yusuf has received more than 51,638 page views. His biography is available in 15 different languages on Wikipedia. Ahmad ibn Yusuf is the 518th most popular mathematician, the 258th most popular biography from Iraq and the 4th most popular Iraqi Mathematician.
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Among mathematicians, Ahmad ibn Yusuf ranks 518 out of 823. Before him are Dénes Kőnig, Benedetto Castelli, G. I. Taylor, Campanus of Novara, Martin Ohm, and Egon Pearson. After him are Thomas Joannes Stieltjes, Abraham Robinson, Abraham Gotthelf Kästner, Terence Tao, Gerd Faltings, and Maria Angela Ardinghelli.
1884 - 1944
HPI: 50.62
Rank: 512
1578 - 1643
HPI: 50.61
Rank: 513
1886 - 1975
HPI: 50.60
Rank: 514
1210 - 1296
HPI: 50.59
Rank: 515
1792 - 1872
HPI: 50.58
Rank: 516
1895 - 1980
HPI: 50.56
Rank: 517
835 - 912
HPI: 50.56
Rank: 518
1856 - 1894
HPI: 50.55
Rank: 519
1918 - 1974
HPI: 50.52
Rank: 520
1719 - 1800
HPI: 50.51
Rank: 521
1975 - Present
HPI: 50.49
Rank: 522
1954 - Present
HPI: 50.47
Rank: 523
1728 - 1825
HPI: 50.45
Rank: 524
Among people born in 835, Ahmad ibn Yusuf ranks 6. Before him are Lothair II, Louis the Younger, Ahmad ibn Tulun, Siemowit, and Conrad II, Duke of Transjurane Burgundy. Among people deceased in 912, Ahmad ibn Yusuf ranks 10. Before him are Otto I, Duke of Saxony, Abdullah ibn Muhammad al-Umawi, Zhu Wen, Rudolph I of Burgundy, Notker the Stammerer, and Smbat I of Armenia.
835 - 869
HPI: 65.37
Rank: 1
835 - 882
HPI: 63.47
Rank: 2
835 - 884
HPI: 60.87
Rank: 3
835 - 892
HPI: 58.09
Rank: 4
835 - 876
HPI: 53.29
Rank: 5
835 - 912
HPI: 50.56
Rank: 6
851 - 912
HPI: 61.63
Rank: 4
844 - 912
HPI: 60.59
Rank: 5
852 - 912
HPI: 59.84
Rank: 6
859 - 912
HPI: 58.55
Rank: 7
840 - 912
HPI: 56.04
Rank: 8
850 - 912
HPI: 55.01
Rank: 9
835 - 912
HPI: 50.56
Rank: 10
Among people born in Iraq, Ahmad ibn Yusuf ranks 258 out of 338. Before him are Ashur-nadin-apli (-1300), Ibrāhīm al-Fazārī (null), Abu Firas al-Hamdani (932), Enlil-kudurri-usur (-1300), Abū Hayyān al-Tawhīdī (923), and Puzur-Ashur I (-2050). After him are Mahmud Nedim Pasha (1818), Kadim Al Sahir (1957), Nechirvan Barzani (1966), Abdullah Goran (1904), Ahmed Chalabi (1944), and Kurigalzu II (-1400).
1300 BC - 1200 BC
HPI: 50.88
Rank: 252
HPI: 50.83
Rank: 253
932 - 968
HPI: 50.81
Rank: 254
1300 BC - 1200 BC
HPI: 50.74
Rank: 255
923 - 1023
HPI: 50.71
Rank: 256
2050 BC - 1970 BC
HPI: 50.61
Rank: 257
835 - 912
HPI: 50.56
Rank: 258
1818 - 1883
HPI: 50.48
Rank: 259
1957 - Present
HPI: 50.47
Rank: 260
1966 - Present
HPI: 50.32
Rank: 261
1904 - 1962
HPI: 50.18
Rank: 262
1944 - 2015
HPI: 50.16
Rank: 263
1400 BC - 1400 BC
HPI: 50.15
Rank: 264
Among mathematicians born in Iraq, Ahmad ibn Yusuf ranks 4. Before him are Muḥammad ibn Ibrāhīm al-Fazārī (746), Abu Mansur al-Baghdadi (980), and Ibrāhīm al-Fazārī (null).
746 - 806
HPI: 56.91
Rank: 1
980 - 1037
HPI: 52.01
Rank: 2
HPI: 50.83
Rank: 3
835 - 912
HPI: 50.56
Rank: 4