Karl Marx (1818-1883) was a German philosopher, historian, and political economist whose critique of capitalism is considered one of the most influential developments in modern thought. Paul Reitter is professor of Germanic languages and literatures and former director of the Humanities Institute at the Ohio State University. His translations include The Autobiography of Solomon Maimon (Princeton). Paul North is the Maurice Natanson Professor of German at Yale University. His books include The Yield: Kafka's Atheological Reformation. Wendy Brown is the UPS Foundation Chair in the School of Social Science at the Institute for Advanced Study in Princeton. William Clare Roberts is associate professor of political science at McGill University.