Ali ibn Sahl Isfahani

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.

Ali ibn Sahl Isfahani

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.