Polygnotus, an early Greek painter, born in Thasos, and settled in Athens 463 B.C.; is considered the founder of historical painting, and is praised especially by Aristotle, who pays a high tribute to him; was the first to attempt portrait-painting and exhibit character by his art.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Polycrates * Polyhymnia