Alhazen

Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham (Persian : ابن هيثم, Arabic: أبو علي، الحسن بن الحسن بن الهيثم, Latinized: Alhacen or (deprecated) Alhazen) (965 in Basra – c. 1040 in Cairo) was a Muslim scientist and polymath described in various sources as either Persian or Arab. polymath, mathmatician, astronomer and philosopher. He made significant contributions to the principles of optics, as well as to physics, astronomy, mathematics, ophthalmology, philosophy, visual perception, and to the scientific method. He also wrote insightful commentaries on works by Aristotle, Ptolemy, and the Greek mathematician Euclid.