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 was an Arab astronomer, mathematician and engineer. He worked as muwaqqit in the Umayyad Mosque in Damascus and constructed a sundial for its minaret in 1371/72.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

• Ibn al-Shatir was born 7 years before Liu Ji
• Ibn al-Shatir was born 9 years after Nicephorus Gregoras
• Ibn al-Shatir was born 12 years before Albertus de Saxonia
• Ibn al-Shatir was born 13 years after Philippe de Vitry
• Ibn al-Shatir was born 14 years after Barlaam of Seminara

Timeline

1. Barlaam of Seminaracirca 1290 – circa June 1, 1348
2. Philippe de VitryOctober 31, 1291 – June 9, 1361
3. Nicephorus Gregorascirca 1295 – 1360
4. Ibn al-Shatir (this page)1304–1375
5. Liu JiJuly 1, 1311 – May 16, 1375
6. Albertus de Saxonia1316 – July 8, 1390

Related

• Isaac NewtonDecember 25, 1642 – March 20, 1727
• Johann Wolfgang von GoetheAugust 28, 1749 – March 22, 1832
• Immanuel KantApril 22, 1724 – February 12, 1804
• René DescartesMarch 31, 1596 – February 11, 1650
• Marie CurieNovember 7, 1867 – July 4, 1934
• Nicolaus CopernicusFebruary 19, 1473 – May 24, 1543
• Louis PasteurDecember 27, 1822 – September 28, 1895
• Gottfried Wilhelm LeibnizJune 21, 1646 – November 14, 1716