Abu al-Hasan 'Ali ibn Muhammad al-Bazdawi (Arabic: أبو الحسن علي بن محمد البَزدَوي) (c. 1010-1089 A.D.), known with the honorific title of Fakhr al-Islam (the pride of Islam), was a leading Hanafi scholar in the principles of Islamic jurisprudence.
He is author of the acclaimed Kanz al-Wusul ila Ma'refat al-Usul (Arabic: کنز الوصول إلی معرفة الأصول, lit.
'Abd al-Qadir ibn Abi al-Wafa' al-Qurashi (d. 775/1373) has praised him in his Hanafi biographical dictionary, Al-Jawahir al-Mudiyya fi Tabaqat al-Hanafiyya (Arabic: الجواهر المضية في طبقات الحنفية).
[1] His most famous book is Kanz al-Wusul ila Ma'refat al-Usul (Arabic: کنز الوصول إلی معرفة الأصول), popularly known as Usul al-Bazdawi, which is a seminal book in Hanafi Usul al-Fiqh and was a standard teaching text for centuries.
The book has generated numerous commentaries, the most popular of which being Kashf al-Asrar (Arabic: کشف الأسرار، شرح أصول البزدوي) by 'Abd al-'Aziz al-Bukhari (d. 730/1329).