1. Sinan Related content from HighBeam Research on sinan. sinan relaunch, V.O. kickoff set. ( Holiday Fragrance supplement) ( WWD)ibrahim ibn sinan Logique et geometrie au Xe siecle.(Book http://www.infoplease.com/ce6/people/A0845335.html

HOTWORDS CITE PRINT EMAIL in All Infoplease Almanacs Biographies Dictionary Encyclopedia Home Almanacs Atlas Dictionary ... D-Day Infoplease Tools Periodic Table Conversion Tool Perpetual Calendar Year by Year ... Site Map Also from Infoplease Search Infoplease Info search tips Search Biographies Bio search tips Encyclopedia Sinan [s E Pronunciation Key Sinan See study by A. Stratton (1972). The Columbia Electronic Encyclopedia, Sinaloa Sinanthropus pekinensis Related content from HighBeam Research on: Sinan Sinan relaunch, V.O. kickoff set. (Holiday Fragrance supplement) (WWD) Ibrahim ibn Sinan: Logique et geometrie au Xe siecle.(Book Review) (The Journal of the American Oriental Society) Wilmot on his own - with Rykiel and Sinan. (Paul Wilmot, Sonia Rykiel, Jean-Marc Sinan) (WWD) CANAL+ U.S. TECHNOLOGIES Appoints Dr. Sinan Othman Director of Business Development. (Business Wire) Sinan Erdem, president of Turkey's Olympic committee, dies (AP Worldstream) (Agence France Presse French) HEBEI SINAN MACHINERY FACTORY SEEKING PARTNER (AsiaInfo Services) (Agence France Presse French)

2. Tabit Ibn Kora - Wikipedija je nasledil njegov sin sinan, njegova dva vnuka Thabit in ibrahim ibn sinan in njegov pravnuk abual Tabit in vnuk ibrahim sta prouevala krivulje potrebne za izdelavo sonnih ur http://sl.wikipedia.org/wiki/Tabit_ibn_Kora

Tabit ibn Kora Iz Wikipedije, proste enciklopedije. Tabit ibn Kora abu' l'Hasan ibn Marvan al-Sabi al'Harani , arabski astronom in matematik Haran (antično Carrhae), Mezopotamija (sedaj Turčija 18. februar Bagdad , (sedaj Irak ). V latinščini je bil znan pod imenom Tebit Tabit je na predlog Mohameda ibn Muse ibn Šakira odšel študirat v Bagdad k Šakirovim bratom Bani Musa. Bil je na čelu skupine prevajalcev, ki je izhajala od poganskih psevdo-Sabejcev iz Harana. Arabski pisci zamenjujejo babilonske Sabejce od haranskih Sabejcev. Haranski Sabejci so spoštovali zvezde in so zaradi tega že zelo zgodaj pokazali veliko zanimanje za astronomijo in matematiko . V času muslimanske nadvlade so sprejeli ime Sabejcev, da bi se koristili s privilegiji, ki jih je dopuščal Ko'ran . To ime jim je pozneje tudi ostalo in ta čudna sekta je naprej živela v sami bližini glavnega središča Kalifata vse do polovice 13. stoletja , ko so Mongoli uničili njihovo zadnje svetišče. Brez dvoma so jim njihove zasluge na duhovnem in znanstvenem področju pomagale, da so dobili zaščito od muslimanov. Za časa al-Mutavakilovega vladanja je njihovo mesto postalo središče filozofske in medicinske šole, ki so jo prej prenesli iz

3. Ibrahim ibrahim ibn sinan ibn Thabit ibn Qurra. ibrahim ibn sinan was a grandson of Thabitibn Qurra and studied geometry and in particular tangents to circles. http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Ibrahim.html

Ibrahim ibn Sinan ibn Thabit ibn Qurra Born: 908 in Baghdad, (now in Iraq) Died: 946 in Baghdad, (now in Iraq) Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Ibrahim ibn Sinan was a grandson of Thabit ibn Qurra and studied geometry and in particular tangents to circles. He also studied the apparent motion of the Sun and the geometry of shadows. There is no doubt that had he not died at the young age of thirty-eight, he would have achieved a degree of fame for his mathematical works going even beyond the opinion of Sezgin (see [5] and [6]) that he was:- ... one of the most important mathematicians in the medieval Islamic world. Perhaps his early death robbed him of the chance to make a contribution even more important than that of his famous grandfather. Ibrahim's most important work was on the quadrature of the parabola where he introduced a method of integration more general than that of Archimedes . His grandfather Thabit ibn Qurra had started to view integration in a different way to Archimedes but Ibrahim realised that al-Mahani had made improvements on what his father had achieved. To Ibrahim it was unacceptable that (see for example [1]):-

4. Ibrahim Biography of ibrahim ibn sinan (908946) ibrahim ibn sinan ibn Thabit ibn Qurra. Born 908 in Baghdad, (now in Iraq) ibrahim ibn sinan was a grandson of Thabit ibn Qurra and studied geometry http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Ibrahim.html

Ibrahim ibn Sinan ibn Thabit ibn Qurra Born: 908 in Baghdad, (now in Iraq) Died: 946 in Baghdad, (now in Iraq) Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Ibrahim ibn Sinan was a grandson of Thabit ibn Qurra and studied geometry and in particular tangents to circles. He also studied the apparent motion of the Sun and the geometry of shadows. There is no doubt that had he not died at the young age of thirty-eight, he would have achieved a degree of fame for his mathematical works going even beyond the opinion of Sezgin (see [5] and [6]) that he was:- ... one of the most important mathematicians in the medieval Islamic world. Perhaps his early death robbed him of the chance to make a contribution even more important than that of his famous grandfather. Ibrahim's most important work was on the quadrature of the parabola where he introduced a method of integration more general than that of Archimedes . His grandfather Thabit ibn Qurra had started to view integration in a different way to Archimedes but Ibrahim realised that al-Mahani had made improvements on what his father had achieved. To Ibrahim it was unacceptable that (see for example [1]):-

5. Sinan sinan ibn Thabit ibn Qurra was the son of Thabit ibn Qurra and the fatherof ibrahim ibn sinan. Although sinan was extremely eminent http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Sinan.html

Abu Said Sinan ibn Thabit ibn Qurra Born: about 880 Died: 943 in Baghdad, (now in Iraq) Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Sinan ibn Thabit ibn Qurra was the son of Thabit ibn Qurra and the father of Ibrahim ibn Sinan . Although Sinan was extremely eminent in medicine his contributions to mathematics were somewhat less major but he still deserves a place in this archive as a contributor to mathematics in this remarkable family of scholars. Thabit ibn Qurra , Sinan's father, was a member of the Sabian sect. The Sabian religious sect were star worshippers from Harran. Of course being worshipers of the stars meant that there was strong motivation for the study of astronomy and the sect produced many quality astronomers and mathematicians such as Thabit himself. Sinan was trained in medicine, a topic which his father had studied in Baghdad. His father's patron was the Caliph, al-Mu'tadid, one of the greatest of the 'Abbasid caliphs, and Sinan was brought up at the court where his father held the role of court astronomer. Sinan's father Thabit died in 901 and the caliph al-Mu'tadid died the following year. Al-Mu'tadid had shown great skill in playing the various factions off against each other during his period of power but after his troops were defeated by the Qarmatians, a schismatic sect and political movement. Historians argue whether al-Mu'tadid was poisoned in a palace intrigue, but even if he was not this is an indication of the atmosphere in the court where Sinan lived. By this time Sinan was a man of about 22 years of age but, despite having great medical skills, he seems to have held no positions at this time.

6. Ibrahim Ibn Sinan Logique Et Geometrie Au Xe Siecle.(Book Review) HighBeam Research, Free Preview 'ibrahim ibn sinan Logique et geometrie au Xe siecle.(Book Review)' Full Membership required for unlimited access. Comprehensive archive of newspapers, http://rdre1.inktomi.com/click?u=http://www.highbeam.com/library/doc0.asp?docid=

7. Ibrahim ibn sinan ibn Thabit ibn Qurra ibrahim. ibrahim ibn sinan was a grandson of Thabitibn Qurra and studied geometry and in particular tangents to circles. http://intranet.woodvillehs.sa.edu.au/pages/resources/maths/History/~DZ5460.htm

ibn Sinan ibn Thabit ibn Qurra Ibrahim Born: 908 in Baghdad, (now in Iraq) Died: 946 in Baghdad, (now in Iraq) Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Welcome page Ibrahim ibn Sinan was a grandson of Thabit ibn Qurra and studied geometry and in particular tangents to circles. He also studied the apparent motion of the Sun and the geometry of shadows. His most important work was on the quadrature of the parabola where he introduced a method of integration more general than that of Archimedes . Ibrahim is also considered the foremost Arab mathematician to treat mathematical philosophy. Among Ibrahim ibn Sinan's works are On drawing the three conic sections in which he constructs the ellipse, the parabola and the hyperbola. In On the measurement of the parabola Ibrahim ibn Sinan proves that the area of a segment of the parabola is four-thirds of the area of the inscribed triangle. Another work is On the method of analysis and synthesis, and the other procedures in geometrical problems which contains many easy examples in contrast to The selected problems in which 41 difficult geometrical problems are solved.

8. References For Ibrahim Articles SA Krasnova, Notes on the Book on the construction of three coniccrosssections by ibrahim ibn sinan (Russian), Istor.-Mat. Issled. http://intranet.woodvillehs.sa.edu.au/pages/resources/maths/History/~DZ712.htm

References for ibn Sinan ibn Thabit ibn Qurra Ibrahim Biography in Dictionary of Scientific Biography (New York 1970-1990). Books: A S Saidan (ed.), Ibrahi m ibn Sinan The works of Ibrahi m ibn Sinan (Arabic) ( Kuwait, 1983). Articles: S A Krasnova, Notes on the 'Book on the construction of three conic cross-sections' by Ibrahim ibn Sinan (Russian), Istor.-Mat. Issled. B A Rozenfel'd and M M Rozanskaja, Geometric transformations and change of variables in the writings of Ibrahim ibn Sinan (Russian), in History and Methodology of Natural Sciences IX : Mechanics, Mathematics (Moscow, 1970), 178-181. Archives internationales d'histoire des sciences Close this window or click this link to go back to Ibrahim Welcome page Biographies Index History Topics Index Famous curves index ... Search Suggestions JOC/EFR December 1996 The URL of this page is: http://www-history.mcs.st-andrews.ac.uk/history/References/Ibrahim.html

9. History 935 B.C. 935 BC. At the age of twentyseven, ibrahim ibn sinan, was the onlyknown mathematician in the year 935 BC. He was born in the city http://faculty.oxy.edu/jquinn/home/Math490/Timeline/935BC.html

935 B.C. At the age of twenty-seven, Ibrahim ibn Sinan, was the only known mathematician in the year 935 BC. He was born in the city of Baghdad in 908 BC, where he also died at the age of thirty-eight. Ibrahim ibn Sinan’s interests were in geometry, especially tangents to circles, astronomy, and mathematical philosophy. He also wrote several books on geometry, including On Drawing the Three Conic Sections , which explains the constructions of the ellipse, hyperbola, and parabola. By studying the geometry of the shadows of the sun, Sinan tried to describe what he thought was the motion of the sun. The most famous work of Ibrahim ibn Sinan was the quadrature of the parabola. From this problem, Sinan developed a method of integration that was more general than the previously defined technique by Archimedes. His book, On the Measurement of the Parabola , introduces a theorem that states that the area of a segment of a parabola is four-thirds times the area of the triangle inscribed in that parabola. Ibrahim ibn Sinan translated many Greek mathematical and philosophical works. Because of his work in mathematical philosophy, he has been labeled the "foremost Arab mathematician to treat mathematical philosophy." Author References: Ibrahim, ibn Sinan ibn Thabit ibn Qurra

10. Sinan Related content from HighBeam Research on sinan. sinan relaunch, V.O. kickoff set. ( Holiday Fragrance supplement) ( WWD)ibrahim ibn sinan Logique et geometrie au Xe siecle.(Book http://www.infoplease.com/ce5/CE047960.html

HOTWORDS CITE PRINT EMAIL in All Infoplease Almanacs Biographies Dictionary Encyclopedia Home Almanacs Atlas Dictionary ... D-Day Infoplease Tools Periodic Table Conversion Tool Perpetual Calendar Year by Year ... Site Map Also from Infoplease Search Infoplease Info search tips Search Biographies Bio search tips Encyclopedia Sinan [s E Pronunciation Key Sinan See study by A. Stratton (1972). The Columbia Electronic Encyclopedia, Sinaloa Sinanthropus pekinensis Related content from HighBeam Research on: Sinan Sinan relaunch, V.O. kickoff set. (Holiday Fragrance supplement) (WWD) Ibrahim ibn Sinan: Logique et geometrie au Xe siecle.(Book Review) (The Journal of the American Oriental Society) Wilmot on his own - with Rykiel and Sinan. (Paul Wilmot, Sonia Rykiel, Jean-Marc Sinan) (WWD) CANAL+ U.S. TECHNOLOGIES Appoints Dr. Sinan Othman Director of Business Development. (Business Wire) Sinan Erdem, president of Turkey's Olympic committee, dies (AP Worldstream) (Agence France Presse French) HEBEI SINAN MACHINERY FACTORY SEEKING PARTNER (AsiaInfo Services) (Agence France Presse French)

11. 908 A.D. 908 AD. ibrahim ibn sinan was born in Bagdad (now located in Iraq)in 908 AD. He was the grandson of Thabit ibn Qurra who translated http://faculty.oxy.edu/jquinn/home/Math490/Timeline/908AD.html

908 AD Ibrahim ibn Sinan was born in Bagdad (now located in Iraq) in 908 AD. He was the grandson of Thabit ibn Qurra who translated many Greek astronomical and mathematical works into Arabic. Ibrahim ibn Sinan studied geometry including tangents to circles, and the geometry of shadows, and the motion of the Sun. He is considered the first Arab mathematician to think about mathematical philosophy. He constructed an ellipse, parabola and hyperbola in On drawing the three conic sections . Later in the manuscript he proves that the area of a segment of a parabola is four-thirds the area of the inscribed triangle. Another work On the motions of the sun deals with the motion of the solar apogee, and has an analysis of the observations underlying Ptolemy's solar theory. Author: Charles DeBoer References: http://www-history.mcs.st-and.ac.uk/~history/Mathematicians/Ibrahim.html http://www.cwi.nl/~keesh/Iran/Maths/qurra.htm Math 490 Home Class Tasks ... Timeline Last updated October 1998

12. The Time Of Al-razi distinguished mathematicians, Abu Kamil and ibrahim ibn sinan. ibn alAdami and ibn Amajur compiled astronomical of the early Arabs. ibrahim ibn sinan was primarily a geometer; he http://www.levity.com/alchemy/islam15.html

History of Islamic Science 4 Based on the book Introduction to the History of Science by George Sarton (provided with photos and portraits) Edited and prepared by Prof. Hamed A. Ead These pages are edited by Prof. Hamed Abdel-reheem Ead, Professor of Chemistry at the Faculty of Science -University of Cairo, Giza, Egypt and director of the Science Heritage Center E-mail: ead@frcu.eun.eg Web site: http://www.frcu.eun.eg/www/universities/html/hamed2.htm Back to Islamic Alchemy The Time of Al-Mas'udi First Half of Tenth Century The overwhelming superiority of Muslim culture continued to be felt throughout the tenth century. Indeed, it was felt more strongly than over, not only the foremost men of science were Muslims, but also because cultural influences are essentially cumulative. By the beginning, or at any rate by the middle of the century, the excellence of muslim science was already so well established, even in the West, that each new arabic work benefited to some extent by the prestige pertaining to all. To be sure, other languages, such as Latin, Greek, or Hebrew were also used by scholars, but the works written in those languages contained nothing new, and in the field of science, as in any other, when one ceases to go forward, one already begins to go backward. All the new discoveries and the new thoughts were published in arabic. strangely enough, the language of the Qur'an had thus become the international vehicle of scientific progress. The development of Muslim culture was fostere in Spain by the eighth Umayyad caliph of the west, Abd al-Rahman II, the advances of Muslim science continued to take place almost extensively in the east.

13. Ibrahim Translate this page ibrahim ibn sinan ibn Thabit ibn Qurra. ibrahim ibn sinan ibn Thabitibn Qurra(né en 908 à Bagdad, mort en 946 à Bagdad, (Iraq)). http://membres.tripod.fr/alkashi/ibrahim.htm

Ibrahim ibn Sinan ibn Thabit ibn Qurra Ibrahim ibn Sinan ibn Thabit ibn Qurra( né en 908 à Bagdad mort en 946 à Bagdad, (Iraq) Ibrahim ibn Sinan était un petit fils de Thabit ibn Qurra , il avait étudié la géométrie et en particulier les tangentes aux cercles. Il avait aussi étudié le mouvement apparent du Soleil et la géométrie des ombres. Il n'y a aucun doute qu'il n'était pas au jeune âge de trente-huit, il devait atteindre un degré gloire pour ses travaux mathématiques selon l'opinion de Sezgin qu'il était: ... un des plus importants mathématiciens dans le monde Islamique médiéval. Peut-être sa mort précoce lui avait volé la chance de faire une contribution plus importante que celle de son célèbre grand-père. Le plus important travail de Ibrahim était sur la quadrature de la parabole où il introduisit une méthode d'intégration plus général que celle faite par Archimède Son grand-père Thabit ibn Qurra avait commencé à examiner l'intégration en une différente façon de celle d' Archimède mais Ibrahim s'était rendu compte que Al-Mahani avait fait des améliorations sur ce que son grand-père avait réalisé. Pour Ibrahim ce ci est inacceptable:

14. History Of Islamic Science 1 Thabit ibn Qurra, alBattani, Hunain ibn Ishaq, al-Farabi, ibrahim ibn sinan, al-Masudi, al Wafa, 'Ali ibn Abbas, Abul Qasim, ibn al-Jazzar, al-Biruni, ibn Sina, ibn http://www.levity.com/alchemy/islam12.html

History of Islamic Science Based on the book Introduction to the History of Science by George Sarton (provided with photos and portraits) Edited and prepared by Prof. Hamed A. Ead These pages are edited by Prof. Hamed Abdel-reheem Ead, Professor of Chemistry at the Faculty of Science -University of Cairo, Giza, Egypt and director of the Science Heritage Center E-mail: ead@frcu.eun.eg Web site: http://www.frcu.eun.eg/www/universities/html/shc/index.htm Back to Islamic Alchemy Back to reference library George Sarton's Tribute to Muslim Scientists in the "Introduction to the History of Science," "It will suffice here to evoke a few glorious names without contemporary equivalents in the West: Jabir ibn Haiyan, al-Kindi, al-Khwarizmi, al-Fargani, al-Razi, Thabit ibn Qurra, al-Battani, Hunain ibn Ishaq, al-Farabi, Ibrahim ibn Sinan, al-Masudi, al-Tabari, Abul Wafa, 'Ali ibn Abbas, Abul Qasim, Ibn al-Jazzar, al-Biruni, Ibn Sina, Ibn Yunus, al-Kashi, Ibn al-Haitham, 'Ali Ibn 'Isa al-Ghazali, al-zarqab, Omar Khayyam. A magnificent array of names which it would not be difficult to extend. If anyone tells you that the Middle Ages were scientifically sterile, just quote these men to him, all of whom flourished within a short period, 750 to 1100 A.D." Preface On 8 June, A.D. 632, the Prophet Mohammed (Peace and Prayers be upon Him) died, having accomplished the marvelous task of uniting the tribes of Arabia into a homogeneous and powerful nation.

15. The Time Of Al-razi ibrahim ibn sinan Abu Ishaq ibrahim ibn sinan ibn Thabit ibn Qurra.Born in 9089, died in 946. Grandson of Thabit ibn Qurra (qv http://www.alchemywebsite.com/islam15.html

This is the mirror of the alchemy web site www.levity.com/alchemy History of Islamic Science 4 Based on the book Introduction to the History of Science by George Sarton (provided with photos and portraits) Edited and prepared by Prof. Hamed A. Ead These pages are edited by Prof. Hamed Abdel-reheem Ead, Professor of Chemistry at the Faculty of Science -University of Cairo, Giza, Egypt and director of the Science Heritage Center E-mail: ead@frcu.eun.eg Web site: http://www.frcu.eun.eg/www/universities/html/hamed2.htm Back to Islamic Alchemy The Time of Al-Mas'udi First Half of Tenth Century The overwhelming superiority of Muslim culture continued to be felt throughout the tenth century. Indeed, it was felt more strongly than over, not only the foremost men of science were Muslims, but also because cultural influences are essentially cumulative. By the beginning, or at any rate by the middle of the century, the excellence of muslim science was already so well established, even in the West, that each new arabic work benefited to some extent by the prestige pertaining to all. To be sure, other languages, such as Latin, Greek, or Hebrew were also used by scholars, but the works written in those languages contained nothing new, and in the field of science, as in any other, when one ceases to go forward, one already begins to go backward. All the new discoveries and the new thoughts were published in arabic. strangely enough, the language of the Qur'an had thus become the international vehicle of scientific progress.

16. History Of Islamic Science 1 the West Jabir ibn Haiyan, alKindi, al-Khwarizmi, al-Fargani, al-Razi, Thabit ibnQurra, al-Battani, Hunain ibn Ishaq, al-Farabi, ibrahim ibn sinan, al-Masudi http://www.alchemywebsite.com/islam12.html

This is the mirror of the alchemy web site www.levity.com/alchemy History of Islamic Science Based on the book Introduction to the History of Science by George Sarton (provided with photos and portraits) Edited and prepared by Prof. Hamed A. Ead These pages are edited by Prof. Hamed Abdel-reheem Ead, Professor of Chemistry at the Faculty of Science -University of Cairo, Giza, Egypt and director of the Science Heritage Center E-mail: ead@frcu.eun.eg Web site: http://www.frcu.eun.eg/www/universities/html/shc/index.htm Back to Islamic Alchemy Back to reference library George Sarton's Tribute to Muslim Scientists in the "Introduction to the History of Science," "It will suffice here to evoke a few glorious names without contemporary equivalents in the West: Jabir ibn Haiyan, al-Kindi, al-Khwarizmi, al-Fargani, al-Razi, Thabit ibn Qurra, al-Battani, Hunain ibn Ishaq, al-Farabi, Ibrahim ibn Sinan, al-Masudi, al-Tabari, Abul Wafa, 'Ali ibn Abbas, Abul Qasim, Ibn al-Jazzar, al-Biruni, Ibn Sina, Ibn Yunus, al-Kashi, Ibn al-Haitham, 'Ali Ibn 'Isa al-Ghazali, al-zarqab, Omar Khayyam. A magnificent array of names which it would not be difficult to extend. If anyone tells you that the Middle Ages were scientifically sterile, just quote these men to him, all of whom flourished within a short period, 750 to 1100 A.D." Preface On 8 June, A.D. 632, the Prophet Mohammed (Peace and Prayers be upon Him) died, having accomplished the marvelous task of uniting the tribes of Arabia into a homogeneous and powerful nation.

17. Encyclopædia Britannica ibrahim ibn Muhammad (Ziyadid ruler), ibrahim ibn sinan (Islamic math.),ibrahim ibn Ya qub (Jewish traveler), ibrahim Katkhuda (Egy. emir), http://www.britannica.com/eb/index?search=ibn Ezra, Abraham ben Meir

18. Thabit Ibn Qurra --  Encyclopædia Britannica More results . 4 web sites, chosen by Britannica editors for our Internet Guide. , ibrahim ibn sinan ibn Thabit ibn Qurra University of St.Andrews, Scotland http://www.britannica.com/eb/article?eu=73767

19. History Of Astronomy: Persons (I) ibn Qurra see ibrahim, ibn sinan ibn Thabit ibn Qurra (908946); ibn Rushd Averroes;Abul Walid Mahommed ibn Achmed, ibn Mahommed ibn Roschd (1128-1198) http://www.astro.uni-bonn.de/~pbrosche/persons/pers_i.html

History of Astronomy Persons History of Astronomy: Persons (I) Ibn Al-Banna, al-Marrakushi (1256-1321) Short biography, references and links (MacTutor Hist. Math.) Ibn Haiyan, Jabir (?-803) Short biography (Or see here or here Ibn Qurra: see Thabit Ibn Qurra (836-901) Ibn Qurra: see Ibrahim, ibn Sinan ibn Thabit ibn Qurra (908-946) Ibn Rushd [Averroes; Abul Walid Mahommed Ibn Achmed, Ibn Mahommed Ibn Roschd] (1128-1198) Short biography and references From the Catholic Encyclopedia, 1913 Short biography (Or see here or here Ibn Sina [Avicenna] (980-1037) Short biography and references (MacTutor Hist. Math.) Short biography and references From the Catholic Encyclopedia, 1913 Short biography (Or see here or here Very short biography (Eric Weisstein's Treasure Trove) Crater Avicenna (lunar feature) Ibrahim, ibn Sinan ibn Thabit ibn Qurra (908-946) Short biography and references (MacTutor Hist. Math.) Ingalls, Albert (1888-1958) Very short biography (Eric Weisstein's Treasure Trove) Inghirami, Giovanni (1779-1851)

20. History Of Astronomy: Persons (Q) Qurra see ibrahim, ibn sinan ibn Thabit ibn Qurra (908946). WolfgangR. Dick. Created 16 Jan 1995. Latest update 19 June 2001. http://www.astro.uni-bonn.de/~pbrosche/persons/pers_q.html

History of Astronomy Persons History of Astronomy: Persons (Q) Qadi Zada, al'Rumi (1364-1436) Short biography and references (MacTutor Hist. Math.) Quensel, Conrad (1676-1732) Very short biographical data and links With a short biography in Swedish. Quetelet, Lambert Adolphe (1796-1874) Short biography and references (MacTutor Hist. Math.) Very short biography and reference (infoplease.com) Qurra: see Thabit Ibn Qurra (836-901) Qurra: see Ibrahim, ibn Sinan ibn Thabit ibn Qurra (908-946) Wolfgang R. Dick . Created: 16 Jan 1995. Latest update: 19 June 2001

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