Alhazen



alhazen
Alhazen
(āl-hāz’ən)
See Ibn al-Haytham.
Historical Examples

Like the measurements of Aristarchus and Eratosthenes, this calculation of alhazen is simple enough in theory.
A History of Science, Volume 2(of 5) Henry Smith Williams

The original investigations of alhazen had to do largely with optics.
A History of Science, Volume 2(of 5) Henry Smith Williams

A later edition was published, together with a translation of alhazen, by F. Risner in 1572.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 Various

In the meantime the law of reflexion had been discovered; that for refraction foiled alhazen, and was reserved for a European.
History of the Intellectual Development of Europe, Volume II (of 2) John William Draper

alhazen’s explanation of the use of the retina and lens was adopted.
History of the Intellectual Development of Europe, Volume II (of 2) John William Draper

alhazen discovered atmospheric refraction, and showed that we see the sun and the moon after they have set.
Fragments of science, V. 1-2 John Tyndall

The determinations of the densities- of bodies, as given by alhazen, approach very closely to our own. ‘
Fragments of science, V. 1-2 John Tyndall

Pre-eminent among Arabian scientists is alhazen, who flourished in the 11th century.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 5 Various

alhazen gave the correct explanation, which, however, Friar Bacon attributes to Ptolemy.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 5 Various

In the field of physical science one of the most important of the Arabian scientists was alhazen.
A History of Science, Volume 2(of 5) Henry Smith Williams

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