965 - 1039
Ḥasan Ibn al-Haytham (Latinized as Alhazen; ; full name Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham أبو علي، الحسن بن الحسن بن الهيثم; c. 965 – c. 1040) was a medieval mathematician, astronomer, and physicist of the Islamic Golden Age from present-day Iraq. Referred to as "the father of modern optics", he made significant contributions to the principles of optics and visual perception in particular. His most influential work is titled Kitāb al-Manāẓir (Arabic: كتاب المناظر, "Book of Optics"), written during 1011–1021, which survived in a Latin edition. Read more on Wikipedia
Since 2007, the English Wikipedia page of Ibn al-Haytham has received more than 2,213,268 page views. His biography is available in 82 different languages on Wikipedia. Ibn al-Haytham is the 30th most popular physicist (down from 24th in 2019), the 11th most popular biography from Iraq (down from 8th in 2019) and the most popular Iraqi Physicist.
Ibn al-Haytham is most famous for his contributions to the field of optics. He is credited with discovering the principle of the pinhole camera, which is still used in photography today. He also contributed to the fields of geometry and trigonometry.
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Among physicists, Ibn al-Haytham ranks 30 out of 717. Before him are Heinrich Hertz, Charles-Augustin de Coulomb, Luigi Galvani, Daniel Bernoulli, Richard Feynman, and Hendrik Lorentz. After him are Henry Cavendish, Gustav Kirchhoff, Louis de Broglie, Daniel Gabriel Fahrenheit, William Gilbert, and Paul Dirac.
1857 - 1894
HPI: 77.14
Rank: 24
1736 - 1806
HPI: 77.05
Rank: 25
1737 - 1798
HPI: 76.66
Rank: 26
1700 - 1782
HPI: 75.57
Rank: 27
1918 - 1988
HPI: 75.46
Rank: 28
1853 - 1928
HPI: 74.96
Rank: 29
965 - 1039
HPI: 74.92
Rank: 30
1731 - 1810
HPI: 74.40
Rank: 31
1824 - 1887
HPI: 74.38
Rank: 32
1892 - 1987
HPI: 74.19
Rank: 33
1686 - 1736
HPI: 73.76
Rank: 34
1544 - 1603
HPI: 73.61
Rank: 35
1902 - 1984
HPI: 73.53
Rank: 36
Among people born in 965, Ibn al-Haytham ranks 1. After him are Hisham II, Henry I, Margrave of Austria, Theodoric I, Duke of Upper Lorraine, Sancho García of Castile, Frederick of Luxembourg, and Godfrey II, Duke of Lower Lorraine. Among people deceased in 1039, Ibn al-Haytham ranks 1. After him are Conrad II, Holy Roman Emperor, Cunigunde of Luxembourg, Dirk III, Count of Holland, Adalbero, Duke of Carinthia, Conrad II, Duke of Carinthia, and Unsuri.
965 - 1039
HPI: 74.92
Rank: 1
965 - 1013
HPI: 61.25
Rank: 2
965 - 1018
HPI: 55.99
Rank: 3
965 - 1026
HPI: 54.75
Rank: 4
965 - 1017
HPI: 53.82
Rank: 5
965 - 1019
HPI: 51.70
Rank: 6
965 - 1023
HPI: 50.90
Rank: 7
965 - 1039
HPI: 74.92
Rank: 1
990 - 1039
HPI: 70.95
Rank: 2
978 - 1039
HPI: 64.14
Rank: 3
982 - 1039
HPI: 55.05
Rank: 4
980 - 1039
HPI: 52.10
Rank: 5
1003 - 1039
HPI: 50.52
Rank: 6
980 - 1039
HPI: 49.75
Rank: 7
Among people born in Iraq, Ibn al-Haytham ranks 11 out of 338. Before him are Nebuchadnezzar II (-630), Abu Hanifa (698), Ashurbanipal (-685), Sargon of Akkad (-2300), Sarah (-1803), and Al-Kindi (801). After him are Mani (216), Ahmad ibn Hanbal (780), Alexander IV of Macedon (-323), Rabia of Basra (710), Zaha Hadid (1950), and Sennacherib (-740).
630 BC - 562 BC
HPI: 83.85
Rank: 5
698 - 767
HPI: 78.82
Rank: 6
685 BC - 627 BC
HPI: 77.22
Rank: 7
2300 BC - 2215 BC
HPI: 76.04
Rank: 8
1803 BC - 1676 BC
HPI: 75.83
Rank: 9
801 - 866
HPI: 75.14
Rank: 10
965 - 1039
HPI: 74.92
Rank: 11
216 - 274
HPI: 73.85
Rank: 12
780 - 855
HPI: 73.64
Rank: 13
323 BC - 309 BC
HPI: 72.94
Rank: 14
710 - 801
HPI: 72.88
Rank: 15
1950 - 2016
HPI: 72.34
Rank: 16
740 BC - 681 BC
HPI: 72.04
Rank: 17
Among physicists born in Iraq, Ibn al-Haytham ranks 1. After him are Jim Al-Khalili (1962).