What do Ibn al-Shatir and Ibn Tufail have in common?
Ibn al-Shatir Ibn al-Shatir or Ibn ash-Shatir (Arabic: ابن الشاطر‎ ‎ ; 1304–1375) was an Arab astronomer. He worked as "muwaqqit" (موقت, religious timekeeper) in the Umayyad Mosque in Damascus and constructed a sundial for its minaret in 1371/72.
Hatim al-Tai Hatim Altaaey (Arabic: حاتم الطائي‎ ‎ ; also Hatemtai i.e. Hatim of the Tayy tribe; died 578), formally Hatem ibn Abdellah ibn Sa'ad at-Ta'iy (Arabic: حاتم بن عبد الله بن سعد الطائي‎ ‎ ) was a famous Arab poet who belonged to the Ta'i Arabian tribe, and the father of the Sahabi Adi ibn Hatim RadiAllahu 'Anhu. Stories about his extreme generosity have made him an icon to Arabs up till the present day, as in the proverbial phrase "more generous than Hatem" (Arabic: أكرم من حاتم).