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  1. Ḥasan Ibn al-Haytham (Latinized as Alhazen; / æ l ˈ h æ z ən /; 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.

  2. Ibn al-Haytham (born c. 965, Basra, Iraq—died c. 1040, Cairo, Egypt) was a mathematician and astronomer who made significant contributions to the principles of optics and the use of scientific experiments.

  3. www.ibnalhaytham.com › discover › who-was-ibn-al-haythamWho was Ibn al-Haytham

    Born around a thousand years ago in present day Iraq, Al-Hasan Ibn al-Haytham (known in the West by the Latinised form of his first name, initially “Alhacen” and later “Alhazen”) was a pioneering scientific thinker who made important contributions to the understanding of vision, optics and light.

  4. Born in Basra, Iraq, around the year 965, Al-Hasan Ibn al-Haytham, Latinised as Alhazen or Alhasen, was a pioneering scientific thinker who, from his observation of light entering a dark room,...

  5. Ibn al-Haytham is regarded as the father of optics for his influential The Book of Optics, which correctly explained and proved the modern intromission theory of visual perception, and for his experiments on optics, including experiments on lenses, mirrors, refraction, reflection, and the dispersion of light into its constituent colors. [3] .

  6. In geometry, Ibn al-Haytham developed analytical geometry by establishing the linkage between algebra and geometry. Ibn al-Haytham also discovered a formula for adding the first 100 natural numbers. His contributions to number theory include his work on perfect numbers.

  7. www.encyclopedia.com › mathematics-biographies › ibn-al-haythamIbn Al-haytham | Encyclopedia.com

    May 17, 2018 · The Arabian physicist, astronomer, and mathematician al-Hasan ibn al-Haytham (ca. 966-1039), or Alhazen, established the theory of vision that prevailed till the 17th century. He also defended a theory of the physical reality of Ptolemy's planetary models. Al-Hasan was born at Basra in southern Iraq, where he must have received all his education.

  8. Abū Ali al-Ḥasan Ibn al-Haytham al-Baṣrī (965-1040), known in European Middle Ages by the name of Alhazen, was called among Arab scholars as ‘Second Ptolemy’ (Baṭlamyūs Thānī). He was actually a scholar of many disciplines: Mathematics, physics, mechanics, astronomy, philosophy and medicine.

  9. By Bennett Sherry. Hasan Ibn al-Haytham revolutionized our understanding of how light moves through the Universe and how we see it. He urged people to question ancient knowledge. Standing on the shoulders of giants...and yelling in their ear.

  10. Ibn Al-Haytham (known in the west as Alhazen) which is considered to be the greatest Muslim doctor and one of the greatest researches of optics for all times. Al Haytham is born in city Basra and immigrated to Egypt during reign of Caliph Al Hakim.