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Prodicus of Ceos/Sophist/Taureck: (470 or 460 - 399). Prodicus of Ceos was a student of Protagoras. He influenced Isocrates, Socrates and Eurypides.
Aristophanes: (The Clouds): of all the great wise men one can only listen to Prodicus, he has wisdom and he is right.
The myth of "Heracles at the Crossroad" originates from Prodicus. He works as a linguist and natural philosopher.
B. H.F. Taureck
Die Sophisten Hamburg 1995