Yaʿqūb ibn ʿUthmān ibn Maḥmūd al-Charkhī was a Naqshbandi Sufi pir and student of Khwaja Sayyid Alauddin Atar. Yaqub Charkhi was born in 762, in a village called Charkh in Logar, Afghanistan AH and died in 851. He was a Sufi master and also a reputed Islamic scholar.