Cartoonish preppy style, with its ironic bow-ties, nerdy glasses and tweeds, has left us a little jaded over the past few years. As an antidote, we're loading up on the original all-American look, encapsulated by Harvard, Yale and Princeton undergrads in the influential '60s book Take Ivy — polished understatement spliced with collegiate cool. Here are 10 icons who top the preppy class.