Longus, sometimes Longos, was the author of an ancient Greek novel or romance, Daphnis and Chloe. Nothing is known of his life; it is assumed that he lived on the isle of Lesbos during the 2nd century

Heliodorus Emesenus or Heliodorus of Emesa is the author of the ancient Greek novel called the Aethiopica or Theagenes and Chariclea, which has been dated to the 220s or 370s AD.