The Muslims Internet Directory

Abu Ali al-Hasan ibn al-Haytham

Provides a biography of the eminent Muslim physicist of the 10th century. Details his discoveries in the science of optics.

Brief entry lists the 11th century Arab physicist's areas of study. Details his work with lenses, refraction and reflection.

Details the 10th century Muslim scientist's ideas about damming the Nile river and his rudimentary experiments with the cameras obscura.

Examines the concept of distance in the many works of Alhazen's optical studies.

Eric Weisstein's World of Mathematics features a mathematical problem related to billiards developed by the Arab scholar Alhazen.

Recounts the Muslim scientist's experiments in optics and details his later influence on Renaissance scientific development.

Article from Perception Magazine pays tribute to the often neglected vision work undertaken by the Muslim scientist Alhazen.

Short entry describes the scientific advancements made by the 11th century Egyptian mathematician, astronomer and physicist.

Describes the life and works of the Arab mathematician and cosmologist of Muslim Cairo, 965-1040 AD.