Antiochus of Syracuse was a Greek historian, who flourished around 420 BC.
Life
Little is known of his life, but his works, of which only fragments remain, enjoyed a high reputation because of their accuracy. He wrote a History of Sicily from the earliest times to 424 BC, which was used by Thucydides, and the Colonizing of Italy, frequently referred to by Strabo and Dionysius of Halicarnassus.
References
Antiochus of Syracuse Wikipedia(Text) CC BY-SA