David al-Mukammas

David al-Mukammas (flourished 900, Raqqah, Syria) was a Syrian philosopher and polemicist, regarded as the father of Jewish medieval philosophy. A young convert to Christianity, al-Mukammas studied at the Syriac academy of Nisibis but became disillusioned with its doctrines and wrote two famous polemics against the Christian religion. While he is considered a Jewish scholar by both Jews and Muslims, it is not entirely clear whether al-Mukammas returned fully to Judaism. Faulting Christianity for the...