Ali ibn al-Madini

Abū al-Ḥasan ʻAlī ibn ʻAbdillāh ibn Jaʻfar al-Madīnī was a ninth-century Sunni Islamic scholar who was influential in the science of hadith. Alongside Ahmad ibn Hanbal, Ibn Abi Shaybah and Yahya ibn Ma'in, Ibn al-Madini has been considered by many Muslim specialists in hadith to be one of the four most significant authors in the field.