Sahl al-Tustari
Sahl al-Tustarī (Arabic: سهل التستري) or Sahl Shushtarī (Persian: سهل شوشتری) according to Persian custom, born Abū Muḥammad Sahl ibn ʿAbd Allāh (c.818 CE (203 AH) – c.896 CE (283 AH), was a Persian Sunni Muslim Hanbali scholar and early classical Sufi mystic, belonging to the Ahl al-Hadith tradition. He founded the Salimiyah Muslim theological school, which was named after his disciple Muhammad ibn Salim.