Ibn al-Haytham

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Ibn al-Hay·tham

(ĭb′ən ĕl-hī′thəm) Full name Abu Ali al-Hasan Ibn al-Haytham. Also known as Al·haz·en (ăl-hăz′ən) 965?-1040?

Arab mathematician and astronomer best known for his book on optics, which presented experimental studies of reflection and refraction and an influential theory of vision that revised that of the Greeks.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Ibn al-Hay·tham

(ĭb′ən ĕl-hī′thəm) Latin name Al·haz·en (ăl-hăz′ən) 965?-1040?

Arab mathematician who is best known for his book on optics, which became very influential in Europe after it was translated in the 12th century. It contained a detailed description of the eye and disproved the older Greek idea that vision is the result of the eye sending out rays to the object being looked at.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Noun

Ibn al-Haytham - an Egyptian polymath (born in Iraq) whose research in geometry and optics was influential into the 17th century; established experiments as the norm of proof in physics (died in 1040)

Alhacen, Al-Hasan ibn al-Haytham, al-Haytham, Alhazen

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References in periodicals archive ?

He has made nearly 100 movies and narrates a short film, 1,001 Inventions and the World of Ibn Al-Haytham, out this year.

Omar mixes up Lawrence of Arabia and Dr Zhivago; screen legend sharif has alzheimer's

This year also coincides with the anniversaries of a series of important milestones in the history of the science of light, including the works on optics by Ibn Al-Haytham in 1015, the notion of light as a wave proposed by Fresnel in 1815, and the electromagnetic theory of light propagation proposed by Maxwell in 1865.

Celebrating light

--marks a number of important anniversaries in the development of optical science, including the 1015 writing of the Book of Optics by Ibn al-Haytham, Fresnel's 1815 notion of light as a wave, Maxwell's 1865 electromagnetic theory of wave propagation, Einstein's 1905 theory of the photoelectric effect and his 1915 General Theory of Relativity, which shows how light is central to the structure of time and space.

2015: International Year of Light

The earliest references to this form in Egypt go back to the eleventh century, when the optician Ibn al-Haytham describes a puppet performance consisting of "figures ...

The Arab Aristophanes

1) A good general survey of Ibn Al Haytham's work is Abdul Hamid Ibrahim Sabra, "Ibn al-Haytham", in "Dictionary of Scientific Biography 6", 1972, pp.

Profile: Ibn Al Haytham

Propelled by the artist's longstanding interest in the works of two influential Iraqi scientists from the Golden Age of Islam -- Ibn Al-Haytham and Al-Jazari -- Bilal takes inspiration from their achievements in the study of optics and engineering.

Maraya Art Park opens in Sharjah

The work of influential scientists, such as physicist Ibn al-Haytham, is featured in the exhibition.

National Geographic Museum Celebrates Scientific Achievements of Muslim Civilization

The more esoteric the topic, such as al-Kindi on optics or Ibn al-Haytham on plane trigonometry, the less likely a published study would be found in major journals dealing with Islam.

Islamic Medical and Scientific Tradition

of Lincoln, the UK) on the landmark works on optics of Ibn Al-Haytham (Alhazen), with specific discussion of the mathematics and science, as well as the influence of his works on both Arab and European scholars.

Renaissance theories of vision

Centuries before Bacon, Descartes, and Galileo, in the 10th century, Ibn Al-Haytham laid down the rules of the empirical approach, describing how the scientific method should operate through observation, measurement, experiment, and conclusion: "We start by observing reality ..

Science and the Arab Spring

Al-Khalili also mentions the scientist Abu al-Hassan ibn al-Haytham in his book.

Ayoon Wa Azan (The Joy of Reading In Two Books)

* Alhazen (Ibn Al-Haytham), the Arab polymath who invented the camera obscura during the 10th century.