"Without introverts, the world would be devoid of: the theory of gravity the theory of relativity W. B. Yeats's "The Second Coming" Chopin's nocturnes Proust's In Search of Lost Time Peter Pan Orwell's Nineteen Eighty-Four and Animal Farm The Cat in the Hat Charlie Brown Schindler's List, E.T., and Close Encounters of the Third Kind Google Harry Potter *"