Ibn Tulun, Ahmad (835-884);
originally was in the service of the Abbasid caliph and moved to become governor of Egypt as part of the Abbasid Caliphate. He built the famous Ibn Tulun Mosque in Cairo.
Ltd, FSTC. 1001 Inventions: The Enduring Legacy of Muslim Civilization: Reference (4th) Edition Annotated, Text only. . FSTC. Kindle Edition.