Abu al-Hasan al-Ash'ari was an Arab Muslim theologian known for being the eponymous founder of the Ash'ari school of kalam in Sunnism.
A depiction of Baghdad from 1808, taken from the print collection in Travels in Asia and Africa, etc. (ed. J. P. Berjew, British Library); al-Ashʿarī spent his entire life in the tenth-century in this city.
Mu'tazilism is an Islamic theological school that appeared in early Islamic history and flourished in Basra and Baghdad. Its adherents, the Mu'tazilites, were known for their neutrality in the dispute
Averroes insisted that all natural phenomena followed laws that God created.