Ibn Tahir al-Baghdadi

From Wikipedia, the free encyclopedia

Ibn Tahir al-Baghdadi
Born	980 Baghdad
Died	1037
Nationality	Iraq
Fields	Mathematician
Doctoral students	–

Abu Mansur Abd al-Qahir ibn Tahir ibn Muhammad ibn Abdallah al-Tamimi al-Shaffi al-Baghdadi (Arabic: أبو منصور عبدالقاهر ابن طاهر بن محمد بن عبدالله التميمي الشافعي البغدادي‎) was an Arabian mathematician (c. 980–1037) from Baghdad who is best known for his treatise al-Takmila fi’l-Hisab. It contains results in number theory, and comments on works by al-Khwarizmi which are now lost.

[edit]See also

• List of Arab scientists and scholars.

[edit]References

• O’Connor, John J.; Robertson, Edmund F., “Abu Mansur ibn Tahir Al-Baghdadi”, MacTutor History of Mathematics archive, University of St Andrews.
• Biography of Imam Al Baghdadi by at-tawhid.net

[hide] v t e Mathematics in medieval Islam Mathematicians 9th century ‘Abd al-Hamīd ibn Turk Sind ibn Ali Al-Abbās ibn Said al-Jawharī Al-Ḥajjāj ibn Yūsuf ibn Maṭar Al-Kindi Al-Mahani Banū Mūsā Hunayn ibn Ishaq Muḥammad ibn Mūsā al-Khwārizmī Thābit ibn Qurra Na’im ibn Musa Sahl ibn Bishr Habash al-Hasib al-Marwazi 10th century Abd al-Rahman al-Sufi Abū al-Wafā’ 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 Abu-Mahmud Khojandi Nazif ibn Yumn Abū Sahl al-Qūhī 11th century Abū Ishāq Ibrāhīm al-Zarqālī Abu Nasr Mansur Abū Rayḥān al-Bīrūnī Alhazen Ibn Muʿādh al-Jayyānī Al-Karaji Al-Sijzi Alī ibn Ahmad al-Nasawī Avicenna 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 13th century Muhyi al-Dīn al-Maghribī Nasīr al-Dīn al-Tūsī 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

Archduke Anton Victor of Austria

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Archduke Anton Viktor of Austria-Toscana, 1779-1835, Son of Emperor Leopold II (of the Holy Roman Empire), 1804-1835 Grand Master of the Teutonic Order, 1816-1818 Viceroy of the Kingdom Lombardo-Venetia. (Photo credit: Wikipedia)

Archduke Anton of Austria

Anton Victor, Viceroy of Lombardy-Venetia (31 August 1779 – 2 April 1835) was an Archduke of Austria and a Grand Master of the Teutonic Knights. He was also briefly the last Archbishop-Elector of Cologne and Prince-Bishop of Münster, before those territories were secularized in 1803.

Anton Victor was the son of Leopold II, Holy Roman Emperor, and Maria Luisa of Spain. He was born in Florence and died in Vienna. He never married and died without issue.

After the death of Maximilian Franz of Austria, the Archbishop of Cologne and Prince-Bishop of Münster, Anton Victor was elected on 9 September 1801 as Prince-Bishop of Münster and on 7 October as Archbishop and Prince-elector of Cologne. The French already occupied the electorate’s Rhenish territories, leaving Anton in control only of the Duchy of Westphalia, as well as Münster. His reign was to prove a short one – in the reorganization of the Holy Roman Empire which accompanied the Reichsdeputationshauptschluss, his remaining territories were secularized; Münster was seized by the Prussians, while the Landgrave of Hesse-Darmstadt claimed Westphalia.

Anton Viktor became Grand Master of the Teutonic Order in 1804.^[1] The Order’s German lands, centered around Mergentheim, were secularized in 1809, but Anton remained Grand Master of the order until his death. Between 1816 and 1818 he was Viceroy of Lombardy-Venetia.

[edit]Ancestry

[show]Ancestors of Archduke Anton Victor of Austria

[edit]External links