Who founded one of the world's oldest universities?

Sources: Ibn Abi Zar', Rawd al-Qirtas (via al-Nasiri, al-Istiqsa 1/231–233); Ibn Khaldun, Tarikh 4/20; al-Zirikli, al-A'lam 5/132; Sahih Muslim 1631; Guinness World Records. Researched with Qaf.
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