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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.
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.
Newton’s understanding of his actual ability to see, and to comprehend the things he saw, was thanks in part to one invisible giant: Hasan Ibn al-Haytham. Our understanding of the Universe—of the stars and celestial bodies that travel across the night sky—depends on our ability to see light.
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...
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] .
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.
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.
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