Ibn Babawayh, al-Sayh al-Saduq

Ibn Babawayh, wanda aka fi sani da al-Sayh al-Saduq, fitaccen malamin addinin Islama ne da ya rubuta littafai da dama da suka shafi fikihu da hadisai. Daga cikin ayyukansa mafi shahara akwai 'Man la yahduruhu al-Faqih', wanda ke bayani kan hukunce-hukuncen shari'a ba tare da la'akari da mai tambaya ba. Yana daya daga cikin malaman Shi'a mafiya tasiri a zamaninsa, inda ya taka muhimmiyar rawa wajen raya ilimin hadisai a tsakanin mabiyansa.