Inventor and ex-magician David Levy. His inventions include a tiny keypad - the size of a credit card, a tattoo whose design can be changed at will, and a devise that seals severed arteries in one minute. In 1996, at MIT, he won the Lemelson-MIT Student Prize, which acknowledged him as one of the nation's premier young inventors.
Inventor and the man called "the greatest marketer/salesman of the television era," Ron Popeil. He's sold everything from the Veg-O-Matic to the Pocket Fisherman on television, amassing over one billion dollars in sales. He's written a new book about how he did it, Ron Popeil: The Salesman of the Century, (Delacorte Press, with Jefferson Graham).