Abu al-Hassan al-Kharaqani
He was the disciple of Abul-Abbas Qassab Amoli but claimed a deep spiritual relationship with Bayazid Bastami, a Sufi Master who died almost a century before him but was said to have spoken about Kharaqani's personality.Attar of Nishapur, a Persian poet and Sufi, devoted a large part of his book Tadhkirat al-Awliya (Biography of the Saints) about Kharaqani.Avicenna, Mahmud of Ghazni, Abū-Sa'īd Abul-Khayr and Nasir Khusraw travelled to Kharaqan to meet him and expressed their deep admiring feelings and respect for him.Rumi, Attar of Nishapur, Khwaja Abdullah Ansari and Jami narrated poems about Kharaqani and reported his stories.He was illiterate but had wide inspirational knowledge about the Quran and Hadith; his sayings and speeches were significant due to their philosophical views.