Abū al-Qāsim Kurragānī, ʿAbd Allāh b. ʿAlī al-Ṭūsī (380–465/990–1073), a great Sufi from Khurāsān. His nisba (Kurragānī) has been transmitted in various forms [e.g. Jurjānī]; but in view of the existence of the village of Kūragān, now a district of Mashhad (Ministry of Rural Development, 414) the name ‘Kurragānī’ seems more likely to be correct, firstly because many sources state that he was from Ṭūs, and secondly because some authors have referred to him as ‘Kurrajānī’, which supports the same theory (Lāhījī, 585).

Early sources mention his name as ʿAbd Allāh b. ʿAlī (al-Ṣarī…