Khwaja Abdullah Ansari
Abu Ismaïl Abdullah ibn Abi-Mansour Mohammad or Khajah Abdullah Ansari of Herat (1006–1088) (Persian: خواجه عبدالله انصاری) also known as Pir-i Herat (Persian: پیر هرات) (sage of Herat) was a famous Persian Sufi who lived in the 11th century in Herat (then Khorasan, now Herat province, Afghanistan). One of the outstanding figures in Khorasan in the 5th/11th century: commentator of the Koran, traditionist, polemicist, and spiritual master, known for his oratory and poetic talents in Arabic and Persian.
Read more about Khwaja Abdullah Ansari: Life, Descendants and The School of Firangi Mahal, Books (in Persian), Books (in Arabic)