Abu Bakr al-Kalabadhi

Abu Bakr al-Kalabadhi (Arabic: أبو بكر الكلاباذي), in full, Abu Bakr ibn Abi Ishaq Muhammad ibn Ibrahim ibn Ya‘qub al-Bukhari al-Kalabadhi (Arabic: أبو بكر بن أبي إصحاق محمد بن إبراهيم بن يعقوب البخاري الكلاباذي) (fl. late 10th century, Bukhara) was a Persian Hanafi Maturidi Sufi scholar and the author of the Kitab at-ta'arruf, one of the most important works of Sufism composed during the first 300 years of Islam.