About the Author

Rüdiger Safranski is a German philosopher and writer, and the author of biographies of Friedrich Schiller, E. T. A. Hoffmann, Arthur Schopenhauer, Friedrich Nietzsche, and Martin Heidegger. He lives in Berlin. Shelley Frisch is the prize-winning translator of biographies of Nietzsche, Einstein, and Kafka. She lives in Princeton, New Jersey.