AL-HASSAN
965 - 1039
Arab Optician



Al-Hassan was born in Basra, Iraq and died in Cairo. He was one of the most eminent physicists and he made the first important contribution to optical theory since the time of Ptolemy in the second century A.D.

He made studies about optics, atmosphere, physics and astronomy, and he was the first to recognize the optical nerve in the human eye.

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Biography