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.
Sharik Ibn-e-Judair Sharik Ibn Judair was a Sahabi of Ali and fought for him in Battle of Siffin. He was also very close to the Malik al-Ashtar. According to some traditions, he was killed by Hussain Ibn Numayer in a fight with Ubaidullah Ibn Ziyad with Mukhtar-e-Thaqafi.