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.
Ibn Tufayl Foundation for Arabic Studies The Ibn Tufayl Foundation for Arabic Studies (Spanish: "Fundación Ibn Tufayl de Estudios Árabes" ) is a cultural foundation, whose main purpose is to promote and conduct research projects related to the Arabic language, its literature, the history of the Arab World and the history of Al-Andalus.