What do Ibn al-Shatir and Ibn Tufail have in common?
Ibn Tufail Ibn Tufail (c. 1105 – 1185) (full Arabic name: أبو بكر محمد بن عبد الملك بن محمد بن طفيل القيسي الأندلسي "Abu Bakr Muhammad ibn Abd al-Malik ibn Muhammad ibn Tufail al-Qaisi al-Andalusi"; Latinized form: "Abubacer Aben Tofail"; Anglicized form: "Abubekar" or "Abu Jaafar Ebn Tophail") was a Moorish Andalusian Muslim polymath: a writer, novelist, Islamic philosopher, Islamic theologian, physician, astronomer, vizier, and court official.
Ibn al-Haj al-Abdari Moḥammed ibn al-Haj al-Abdari al-Fasi (or Mohammed Ibn Mohammed ibn Mohammed Abu Abdallah Ibn al-Hajj al-Abdari al-Maliki al-Fassi; Arabic: إبن الحاج العبدري الفسي‎ ‎ ) also known simply as Ibn al-Haj or Ibn al-Hajj was an Egyptian Moroccan Maliki fiqh scholar and theologian writer. Originally from Fes, he would finish his life in Egypt where he died in 1336. He is most remembered for his famous book "al-Madkhal".