In one of his letters Hart Crane wrote, "Appollinaire lived in Paris, I live in Cleveland, Ohio," comparing--misspelling and all--the great French poet's cosmopolitan roots to his own more modest ones in the midwestern United States. Rebelling against the notion that his work should relate to some European school of thought, Crane defiantly asserted his freedom to be himself, a true American writer. John T. Irwin, long a passionate and brilliant...