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| | TIMELINE 11th CENTURY page of ULTIMATE SCIENCE FICTION WEB GUIDE |
 | | The Arab scientist known as Alhazen, named Abu 'Ali Al-Hasan ibn Al-Haytham [born in Basra, now Iraq, ca.965] correctly explains how lenses work, and develops parabolic mirrors, similar to those used in today's reflecting telescopes. |
 | | The Byzantine Empire in the 11th Century 1048: Death of the Buwayhid Abu Kalijar, accession of Malik ur Rahim. |
 | | [Abu 'Ali Al-Hasan ibn Al-Haytham] between 1140 and 1150: Jabir ibn Aflah, Moorish scholar, commonly known as Geber 1048: Death of the great Physicist, mathematician, and traveler Al-Biruni 1054: Hermannus Contractus (1013-1054), son of the Swabian Count Wolverad, protegee of Gerbert 1091: Wilhelm (1026-1091), abbot of Hirschau, who taught mathematics and astronomy |
| www.magicdragon.com /UltimateSF/timeline11.html (4730 words) |
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