sentences:  Ibn Babawayh
  
  Abu Ja'far Muhammad ibn 'Ali ibn Babawayh al-Qummi (; –991), commonly referred to as Ibn Babawayh () or al-Shaykh al-Saduq () was a Persian Shia Islamic scholar whose work, entitled "Man La Yahduruhu al-Faqih", forms part of The Four Books of the Shia Hadith collection.The patronymic, "Ibn Babawayh" indicates a Persian origin, as "Babawayh" is an Arabic form of the Persian name "Babuyah".