Al‐˓Urḍī

  • Boris A. Rosenfeld
Reference work entry
DOI: https://doi.org/10.1007/978-1-4020-4425-0_9304

Mu˒ayyad al‐Dīn ibn Barmak al‐˓Urḍī al‐Dimashqī (thirteenth century) was an astronomer, architect, and engineer. He as born in Damascus and first worked in Syria. He did some hydraulic engineering in Damascus and constructed an astronomical instrument for the ruler of Hims (Emessa), al‐Manṣūr Ibrāhīm (1239–1245). He also taught handasa (architecture or geometry).

In or soon after 1259 he was in Maragha, the capital of the Mongol conqueror Hulagu Khan, the grandson of Genghis Khan. He was one of four astronomers who worked with Naṣīr al‐Dīn al‐ṭūsi, the founder of the Maragha observatory. He participated in the organization, building, and construction of the instruments of this observatory, and in the building of a mosque and a palace in Maragha.

The best known al‐˓Urdī's works is Risāla fī kayfiyya al‐arṣād wa mā yukhtāj ilā ˓ilmihi wa ˓amalihi min al‐ṭuruq al‐muwaddiya ilā ma˓rifa ˓awdāt al‐kawākib(Modes of Astronomical Observations and the Theoretical and Practical Knowledge Needed...

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References

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  3. Matvievskaya, Galina P. and B. A. Rosenfeld. Mathematicians and Astronomers of Medieval Islam and Their Works (8th–17th c.). Vol. 2. Moscow: Nauka, 1983. 414–5 (in Russian).Google Scholar
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  5. Sayılı, Aydın. The Observatory in Islam. Istanbul: Turk Tarih Kurumu, 1960.Google Scholar

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© Springer-Verlag Berlin Heidelberg New York 2008

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  • Boris A. Rosenfeld

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