St. Apollinaris Claudius (2nd c.), also called St. Apollinaris of Hierapolis, was a bishop in what is today Turkey. He became famous for his polemical writings against the heretics of his day, showing that their theological errors were taken from the pagans. His most famous work was an Apologia for the Christians addressed to Roman Emperor Marcus Aurelius in the year 177 A.D. In it he reminded...