Abu Ja’far Muhammad ibn ‘Ali ibn Babawayh al-Qummi;
(Arabic: أبو جعفر محمد بن علي بن بابويه القمي; c. 923–991 ), commonly referred to as Ibn Babawayh or al-Shaykh al-Saduq (the truthful scholar) was a Persian Shi’ite Islamic scholar whose work, entitled Man la yahduruhu al-Faqih, forms part of The Four Books of the Shi’ite Hadith collection.
The patronymic, Ibn Babawayh indicates a Persian origin, as Babawayh is an Arabic form of the Persian name Babuyah. For some length of time, unknown, the family had been devout adherents of Shi’ite Islam. Ibn Babawayh’s father, Ali ibn Babawayh Qummi (d. 939 CE) was a leading figure among the Islamic scholars of Qom.