German Expressionism, one of the most significant movements of early European modernism, was an enormously powerful element in Germany's cultural life from the end of the Wilhelmine Empire to the Third Reich. While the movement embraced such diverse artists as E. L. Kirchner, Wassily Kandinsky, K the Kollwitz, and George Grosz, all the participants shared an almost messianic belief in the power of art to change society. Rose-Carol Washton Long has...