Ibn al-Shatir
ʿAbu al-Ḥasan Alāʾ al‐Dīn bin Alī bin Ibrāhīm bin Muhammad bin al-Matam al-Ansari known as Ibn al-Shatir or Ibn ash-Shatir (Arabic: ابن الشاطر; 1304–1375) was an Arab astronomer, mathematician and engineer. He worked as muwaqqit (موقت, timekeeper) in the Umayyad Mosque in Damascus and constructed a sundial for its minaret in 1371/72.
Ibn al-Shatir | |
|---|---|
Ibn al-Shatir's lunar model. | |
| Born | 1304 |
| Died | 1375 (aged 71) |
| Occupation | Astronomer |
| Works | kitab nihayat al-sul fi tashih al-usul |
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