Ernst Bloch was a #German Marxist #philosopher. In 1938, he escaped to America, during his time in America, he wrote his work "The Principle of Hope" and published in three volumes in 1954, 1955, and 1959. "The Principle of Hope" is an encyclopedia of human dreams and hopes, but also was an innovation Marxism works. Bloch's work had a great influence in the student protest movements and in liberation theology.