Ibn al-Shatir

Ibn al-Shatir
Ibn al-Shatir
	Ibn al-Shatir's lunar model.
Born	1304; Damascus, Mamluk Sultanate
Died	1375 (aged 71)
Occupation	Astronomer
Works	kitab nihayat al-sul fi tashih al-usul

ʿAbu al-Ḥasan Alāʾ al‐Dīn bin Alī bin Ibrāhīm bin Muhammad bin al-Matam al-Ansari,^[1] 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.

^ Roberts, Victor (1966). "The Planetary Theory of Ibn al-Shatir: Latitudes of the Planets". Isis. 57 (2): 208–219. doi:10.1086/350114. JSTOR 227960. S2CID 143576999.

[:1-1] Roberts, Victor (1966). "The Planetary Theory of Ibn al-Shatir: Latitudes of the Planets". Isis. 57 (2): 208–219. doi:10.1086/350114. JSTOR 227960. S2CID 143576999.

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Ibn al-Shatir
Ibn al-Shatir's lunar model.
Born	1304 Damascus, Mamluk Sultanate
Died	1375 (aged 71)
Occupation	Astronomer
Works	kitab nihayat al-sul fi tashih al-usul

Ibn al-Shatir

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