Onomacritus (c. 530 - 480 BCE), also known as Onomacritos or Onomakritos, was a Greek chresmologue, or compiler of oracles, who lived at the court of the tyrant Pisistratus in Athens. He's said to have prepared an edition of the Homeric poems, and was an industrious collector, as well as a forger of old oracles and poems. Herodotus reports that Onomacritus was hired by Pisistratus to compile the oracles of Musaeus, but that Onomacritus inserted forgeries of his own that were detected by Lasus of… (
More on Onomacritus)