Abu'l Hasan Ali ibn Ridwan Al-Misri (c. 998–c. 1061) was an Egyptian physician, astrologer and astronomer, born in Jiza. Events Benedictine abbey founded at Sherborne Births Deaths Abul-Wafa, iranian mathematician Categories: 998 ... Events Normans conquer Messina in Sicily Pope Alexander II elected The building of the Speyer Cathedral in Speyer, Germany, had begun to be built. ... An astrologer practices one or more forms of astrology. ... An astronomer or astrophysicist is a person whose area of interest is astronomy or astrophysics. ... Giza (Arabic, الجيزة, transliterated al-ǧīzah; pronounced in Egyptian Arabic dialect of Cairo al-Gīza; also sometimes rendered in English as Gizeh, Ghizeh, or Geezeh) is a town in Egypt on the left bank of the Nile river, across from the...

He was a commentator on Greek medicine, and in particular on Galen; his commentary on Galen's Ars Parva was translated by Gerardo Cremonese. He is also known for his supernova observation from 1006 ([1], see SN 1006). This was written in a commentary on Ptolemy's work Tetrabiblos. The Ancient Greeks admired Ancient Egyptian medicine. ... Galen (Greek: Γαληνός, Galinos; Latin: Claudius Galenus; AD 129 –c. ... Gerard of Cremona (Italian: Gerardo da Cremona; Latin: Gerardus Cremonensis; 1114 – 1187), the Italian translator of Arabic scientific works was most famous as the translator of Ptolemys Astronomy from Arabic texts found in Toledo. ... Multiwavelength X-ray image of the remnant of Keplers Supernova, SN 1604. ... ... A medieval artists rendition of Claudius Ptolemaeus Claudius Ptolemaeus (Greek: ; c. ...

He was later cited by European authors as Haly, or Haly Abenrudian. According to A. C. Crombie (Augustine to Galileo 2, p. 25) he also contributed to the theory of induction. He engaged in a celebrated polemic against another physician, ibn Butlan of Baghdad. Look up induction in Wiktionary, the free dictionary. ...

Works

• commentaries on Ptolemy's Tetrabiblos and pseudo-Ptolemy's Centiloquy
• De revolutionibus nativitatum (The Revolutions of Nativities), edited by Luca Gaurico, printed in Venice (1524)
• Tractatus de cometarum significationibus per xii signa zodiaci (Treatise on the Significations of Comets in the twelve Signs of the Zodiac), printed in Nürnberg (1563)

A medieval artists rendition of Claudius Ptolemaeus Claudius Ptolemaeus (Greek: ; c. ... For the crater, see Gauricus (crater). ... Venice (Italian: Venezia, Venetian: Venezsia) is the capital of region Veneto, and has a population of 271,663 (census estimate January 1, 2004). ... Nuremberg coat of arms Location of Nuremberg Nuremberg (German: Nürnberg) is a city in the German state of Bavaria, in the administrative region of Middle Franconia. ...

External links

• [2]
• 2001 Columbia dissertation by Jennifer Ann Seymore The Life of Ibn Ridwan and his commentary of Ptolemy's Tetrabiblos; not open link
• James H. Holden (1996). Arabian Astrology. Retrieved on 2006-10-09.