Timaeus of Tauromenium (Τιμαῖος; born 356 or 350 BC; died 260 BC) was an ancient Greek historian. He was widely regarded by ancient authors as the most influential historian between the time of Ephorus (4th century BC) and Polybius (2nd century BC). In the words of scholar Lionel I. C. Pearson, Timaeus "maintained his position as the standard authority on the history of the Greek West for nearly five centuries."
Timaeus was born 356 or 350 to a wealthy Greek family in Tauromenium (modern Taormina), in eastern Sicily. His father, Andromachus, was a dynast who had been ruling Tauromenium since 358 after he seized the city from Dionysius of Syracuse.
In 316 or 315 BC, Timaeus is said to have been driven out of Sicily by Agathocles, the tyrant of Syracuse, possibly because of his hostility towards him, although it is likely that he left his hometown considerably earlier. Timaeus stated that he spent at least 15 years in Athens, where he studied under Philiscus of