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Category Archives: Moslem Scientists

Moslem Scientists

Abu Marwan Abd al-Malik ibn Zuhr, the father of experimental surgery

16-Jul-09

Abu Marwan Abd al-Malik ibn Zuhr Ibn Zuhr was one of the greatest physicians and clinicians of the Muslim golden era and has rather been held by some historians of science as the greatest of them. Contrary to the general practice of the Muslim scholars of that era, he confined his work to only one field : medicine. This enabled him to produce works of everlasting fame.

As a physician, he made several discoveries and breakthroughs. He described correctly, for the first time, scabies, the itch mite and may thus be regarded as the first parasitologist. Likewise, he prescribed tracheotomy and direct feeding through the gullet and rectum in the cases where normal feeding was not possible. He also gave clinical descriptions of mediastinal tumors, intestinal phthisis, inflammation of the middle ear, pericarditis, etc.

Abu Marwan Abd al-Malik ibn Zuhr (Arabic: أبو مروان عبد الملك بن زهر‎) (also known as Ibn Zuhr, Avenzoar, Abumeron or Ibn-Zohr) (1091-1161) was an Arab Muslim physician, pharmacist, surgeon, parasitologist, Islamic scholar, and teacher.

Early life

He was born in Seville, and studied at the University of Cordoba. He belonged to the Banu Zuhr family, which produced five generations of physicians, including two female physicians who served the Almohad ruler Abu Yusuf Ya’qub al-Mansur. Ibn Zuhr was also the teacher of Averroes. He began his medical practice and training under his father, Abu’l-Ala Zuhr (d. 1131).

Flight from Seville

Around 1130, he fell out of favour of with the Almoravid ruler, Ali bin Yusuf bin Tashufin, and fled from Seville. He was however, apprehended and jailed in Marrakesh. Later in 1147 when the Almohad dynasty conquered Seville, he returned and devoted himself to medical practice and teaching. He died at Seville in 1161.

Abu Ja’far Muhammad ibn Musa al-Khwarizmi

04-Jul-09

Abu Ja'far Muhammad ibn Musa al-Khwarizmi

Al-Khwarizmi was born in the epicentre of an Islamic empire which then stretched from the Mediterranean to India. This was a very fortuitous time for Arabic learning. The rulers of the Abbasid dynasty who were leading this huge empire, founded an academy in Baghdad called the House of Wisdom where the learned men collected and translated all the scientific works that they could get hold of. House of Wisdom had a large library – first famous library established after the library of Alexandria was destroyed.

Al-Khwarizmi was one of the learned men who worked in the House of Wisdom. His interests lied in the fields of algebra, geometry, astronomy and geography. His now most famous work is that from which we got the name for algebra itself – Hisab al-jabr w’al-muqabala.

Abu Ja’far Muḥammad ibn Musa al-Khwarizmi (c. 780, Khwarizm – c. 850) was a Persian mathematician, astronomer, and geographer, who worked most of his life as a scholar in the House of Wisdom in Baghdad.

His Algebra was the first book on the systematic solution of linear and quadratic equations. Consequently he is considered to be the father of algebra, a title he shares with Diophantus. Latin translations of his Arithmetic, on the Indian numerals, introduced the decimal positional number system to the Western world in the twelfth century. He revised and updated Ptolemy’s Geography as well as writing several works on astronomy and astrology.

Ahmed ibn Yusuf – An Arab Mathematics Scientist

11-Sep-07

Ahmed ibn Yusuf ibn Ibrahim ibn Tammam al-siddiq Al-Baghdadi also known as Ahmed ibn Yusuf al-misri (835 – 912) was an Arab mathematician, like his father Yusuf ibn Ibrahim (Arabic يوسف بن ابراهيم الصدَيق البغدادي ).


Life

Ahmed ibn Yusuf was born in Baghdad (today in Iraq) and moved with his father to Damascus in 839. He later moved to Cairo, but the exact date is unknown: since he was also known as al-Misri, which means the Egyptian, this probably happened at an early age. Eventually, he also died in Cairo. He probably grew up in a strongly intellectual environment: his father worked on Mathematics, Astronomy and Medicine, produced astronomical tables and was a member of a group of scholars. He achieved an important role in Egypt, which was caused by Egypt’s relative independence from the Abbasid Caliph.


Work

For some of the work attributed to Ahmed, it is not exactly clear whether he

Ahmed Bin Majid – The Sea’s Lion

11-Sep-07

Ahmed Bin Majid (Arabic:أحمد بن ماجد) (c.1432 – ?), was an Arab navigator and cartographer born in 1421 in Julphar, which is now known as Ras Al Khaimah. This city makes up one of the seven emirates of the United Arab Emirates. He was raised with a family famous for seafaring; at the age of 17 he was able to navigate ships. He was so famous that he was known as the first Arab seaman. He was born at Julfar in northern Ras al-Khaimah in present Oman, and probably died at 1500. He became famous in the West as the navigator who has been associated with helping Vasco da Gama find his way from Africa to India . He was the author of nearly 40 works of poetry and prose.


Works

His most important work was Kitab al-Fawa’id fi Usul ‘Ilm al-Bahr wa ‘l-Qawa’id (Book of Useful Information on the Principles and Rules of Navigation), written in 1490. It is a navigation encyclopedia, describing the history and basic principles of navigation, lunar mansions, rhumb lines, the difference between coastal and open-sea sailing, the locations of ports from East Africa to Indonesia, star positions, accounts of the monsoon and other seasonal winds, typhoons and other topics for professional navigators. He drew from his own experience and that of his father, also a famous navigator, and the lore of generations of Indian Ocean sailors.

Ahmad ibn Fadlan – Geographics Scientist

11-Sep-07

Ahmad ibn Fadlan ibn al-Abbas ibn Rašid ibn Hammad (أحمد إبن فضلان إبن ألعباس إبن رشيد إبن حماد) was a 10th century Muslim writer and traveler who wrote an account of his travels as a member of an embassy of the Abbasid Caliph of Baghdad to the king of the Volga Bulgars, the Kitab ila Malik al-Saqaliba كتاب إلى ملك الصقالبة.

Manuscript tradition

For a long time, only an incomplete version of the account was known, as transmitted in the geographical dictionary of Yaqut (under the headings Atil, Bashgird, Bulghar, Khazar, Khwarizm, Rus), published in 1823 by Fraehn. Only in 1923 was a manuscript discovered by the Turkish scholar of Bashkir origin Zeki Validi Togan in the library of the Iranian city of Mashhad. The manuscript MS 5229 dates from the 13th century (7th cent. Hijra) and consists of 420 pages (210 folia). Besides other geographical treatises, it contains a fuller version of Ibn Fadlan’s text (pp. 390-420). Additional passages not preserved in MS 5229 are quoted in the work of the 16th century Persian geographer Amin Razi called Haft Iqlim “Seven Climes”.

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