Ali ibn Babawayh Qummi
Ali ibn Babawayh Qomi was a Twelver Shi'a scholar from the time of the Ghaybat al-Sughra. He's the father of Shaikh Saduq.
He wrote a letter to Imam Muhammad al-Mahdi, asking for prayer for him to have a child, as doctors had told him he could not have one. Thus his son, Shaikh Saduq, was always called: "Oh you that was born by the prayer of Imam Mahdi!".
