One of George Lucas' fondest images is this: a group of youngsters sitting around, their mouths open in wonder and suspense, as they hear the story of Ulysses. The adventures of Luke Skywalker bear only a superficial resem lance to the quest of Homer's "kingly man," but both draw from the same deep wells of mythology, the unconscious themes that have always dominated history on the planet.
"Myths are public dreams," according to retired Sarah Lawrence College Professor Joseph Campbell, whose books, notably Hero with a Thousand Faces, have mythology, him as one of the world's leading experts on mythology.
"Dreams are private...