10. Although he was square with Dorothy, Professor Marvel absolutely knew how to fleece a mark.
11. The story has a deeper meaning. For religious types, the Yellow Brick Road is the path of enlightenment. Atheists believe the Wizard is God — a mythical figure people created, but doesn’t really exist. Geeky economists think it has something to do with the U.S. economy at the time and how it should remain on the gold standard … or something.
12. It reminds us that even eggheads who have been awarded “Dr. of Thinkology” screw up math formulas.
