Karl Jaspers (1883-1969)--"founder of German Existentialism" (Martin Heidegger) and "a lucid and flexible intelligence in the service of a genuine and passionate concern for human life" (William Barrett)--is one of the great thinkers of modern times. His many books--best known am...

Karl Jaspers (1883-1969)--"founder of German Existentialism" (Martin Heidegger) and "a lucid and flexible intelligence in the service of a genuine and passionate concern for human life" (William Barrett)--is one of the great thinkers of modern times. His many books--best known among them are The Great Philosophers, The Future of Mankind, and The Question of German Guilt--have been translated into every Western language.