Perhaps the great revolution produced by photograph was in the traditional arts. The painter could no longer depict a world that had been much photographed. He turned, instead, to reveal the inner process of creativity in expressionism and in abstract art. Likewise, the novelist could no longer describe objects or happenings for readers who already knew what was happening by photo, press, film, and radio. The poet and novelist turned to those inward gestures of the mind by which we achieve insight and by which we make ourselves and our world. Thus art moved from outer matching to inner making.
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