Al-Abbās ibn Said al-Jawharī

Al-ʿAbbās ibn Saʿid al-Jawharī (c. 800 Baghdad? – c. 860 Baghdad?) was a geometer who worked at the House of Wisdom in Baghdad and for in a short time in Damascus where he made astronomical observations. He was probably of Iranian origin.^[1] His most important work was his Commentary on Euclid's Elements which contained nearly 50 additional propositions and an attempted proof of the parallel postulate.

References

↑ Selin, Helaine (2008). Encyclopaedia of the history of science, technology, and medicine in non-western cultures. Berlin New York: Springer. p. 129. ISBN 9781402049606. Probably of Iranian origin, al-˓Abbās Ibn Sa˓īd al-Jawharī was one of the court astronomers/astrologers of Caliph al-Ma˒mūn (r. 813–833) in charge of the construction of astronomical instruments. |access-date= requires |url= (help)

De Young, Gregg (1997). "Al-Jawhari's additions to Book V of Euclid's Elements". Zeitschrift für Geschichte der Arabisch-Islamischen Wissenschaften. 11 (10): 153–178.
Hatipov, A. E.-A. (1964). "The theory of parallel lines in the medieval East". Trudy Samarkand. Gos. Univ. (N.S.) Vyp. (in Russian). 144: 5–47.
Jaouiche, Khalil (1986). La théorie des parallèles en pays d’Islam: Contribution à la préhistoire des géométries non euclidiennes (in French). J. Vrin. ISBN 2-7116-0920-0.
Rozenfeld, Boris Abramovich (1988). The History of Non-Euclidean Geometry: Evolution of the Concept of a Geometric Space. Springer. ISBN 0-387-96458-4.

External links

Bolt, Marvin (2007). "Jawharī: al‐ʿAbbās ibn Saʿīd al‐Jawharī". In Thomas Hockey; et al. The Biographical Encyclopedia of Astronomers. New York: Springer. pp. 591–2. ISBN 978-0-387-31022-0. (PDF version)
Sabra, Abdelhamid I. (1973). "Al-Jawharī, Al-'Abbās Ibn Sa'īd". Dictionary of Scientific Biography. VII. pp. 79–80.
O'Connor, John J.; Robertson, Edmund F. (November 1999), "al-Abbas ibn Said Al-Jawhari", MacTutor History of Mathematics archive, University of St Andrews .

Mathematics in medieval Islam

Mathematicians
(Works)

9th century	'Abd al-Hamīd ibn Turk Sind ibn Ali Al-Abbās ibn Said al-Jawharī Al-Ḥajjāj ibn Yūsuf ibn Maṭar Al-Kindi De Gradibus Al-Mahani Banū Mūsā Hunayn ibn Ishaq al-Khwārizmī The Compendious Book on Calculation by Completion and Balancing ibn Qurra Na'im ibn Musa Sahl ibn Bishr Habash al-Hasib al-Marwazi

10th century	Abd al-Rahman al-Sufi Book of Fixed Stars al-Būzjānī Abū Ja'far al-Khāzin Abū Kāmil Shujāʿ ibn Aslam Abu'l-Hasan al-Uqlidisi Abu-Mahmud Khojandi Ahmad ibn Yusuf Al-Nayrizi Al-Saghani Brethren of Purity Ibn Sahl Ibn Yunus Ibrahim ibn Sinan Muhammad ibn Jābir al-Harrānī al-Battānī Sinan ibn Thabit Al-Isfahani Nazif ibn Yumn Abū Sahl al-Qūhī

11th century	Abū Ishāq Ibrāhīm al-Zarqālī Abu Nasr Mansur Abū Rayḥān al-Bīrūnī Ibn al-Haytham / Alhazen Book of Optics Ibn Muʿādh al-Jayyānī Al-Karaji Al-Sijzi Alī ibn Ahmad al-Nasawī Avicenna The Book of Healing Ibn Tahir al-Baghdadi Kushyar ibn Labban Yusuf al-Mu'taman ibn Hud

12th century	Al-Khazini Ibn Yahyā al-Maghribī al-Samaw'al Omar Khayyám Jabir ibn Aflah Abu Bakr al-Hassar

13th century	Muhyi al-Dīn al-Maghribī Nasīr al-Dīn al-Tūsī Zij-i Ilkhani Shams al-Dīn al-Samarqandī Sharaf al-Dīn al-Tūsī Ibn al‐Ha'im al‐Ishbili Ibn Abi al-Shukr

14th century	Yaʿīsh ibn Ibrāhīm al-Umawī Ibn al-Banna' al-Marrakushi Ibn al-Shatir Kamāl al-Dīn Fārisī Al-Khalili Qotb al-Din Shirazi Ahmad al-Qalqashandi

15th century	Abū al-Ḥasan ibn ʿAlī al-Qalaṣādī Ali Qushji Jamshīd al-Kāshī Qāḍī Zāda al-Rūmī Ulugh Beg Ibn al-Majdi

16th century	Al-Birjandi Muhammad Baqir Yazdi Taqi al-Din Ibn Hamza al-Maghribi Ibn Ghazi al-Miknasi

Other treatises

Almanac
Encyclopedia of the Brethren of Purity
Tables of Toledo
Tabula Rogeriana
Zij
Zij-i-Sultani

Concepts

Centers

Influences

Influenced

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