Abolhassan Ali ebn-e Sahl Azhar Esfahani (Arabic: أبوالحسن علي بن سهل الأصفهاني) was a Persian mystic.
He lived in the era of Abbasid Caliph Al-Mu'tadid and died in 894 in Isfahan.
According to Spencer, he founded the first khanqah.
His khanqah still exists and is also his mausoleum.
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