4. Of Olympia, an author or collector of riddles (γρῖφοι), is mentioned by one of the interlocutors in the Deipnosophistae of Athenaeus (x. p. 448c.) as ὁ ἑταῖρος ἡμῶν, and lived therefore at the beginning of the third century of our era.
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890