Invention of Optics: Ibn Al-Haytham, The Father of Modern Optics

Hassan Ibn Al-Haytham (In English As Alhazen) was born in Basra, now Iraq on 1st July, 965CE. Al-Haytham was a noted Islamic mathematician, an Astronomer and Physicist. He was the first person to explain correctly the process of visual and sight.

Around 101 - 1027 bn Al-Haytham published his famous book "Kitab Al-Manazir" or The Book Of Optics in English Language. He explained that vision occurs when light reflects from an object and later passes to the eye. Which means he brought the idea of reflection and refraction (These are two things happening on sight). 

He however, studied the important components of eye and draw a sketch of real optic human system.

He however also, studied how light using lenses and mirrors moved,explained reflection and refraction. He concluded that light reflects when it moved through different materials (dense and less dense).

Ibn Al-Haytham was an ancient author, wrote about more than 200 books on wide range of subjects, 96 out of his scientific works were known and 50 have survived, half of his successful works were on mathematics, 23 of them were on Astronomy and 14 were on optics, very few on other areas of science.

Moreover, in 2015, the International Year of Light Equivalent to 1000th anniversary of his publications was celebrated. Ibn Al-Haytham set new standards in experimental in the 11th century.

Because of these works, ibn Al-Haytham had been described as the father of Modern Optics (Physics).

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