This book treats the critical theory of religion of Max Horkheimer, Walter Benjamin, Theodor W. Adorno, Friedrich Pollock, Erich Fromm, Herbert Marcuse, Alfred Sohn-Rethel, Jürgen Habermas and other critical theorists who tried to make sense out of the senseless war experience by exploring the writings of Immanuel Kant, Friedrich W.J. Schelling, Georg W.F. Hegel, Artur Schopenhauer, Karl Marx, Friedrich Nietzsche, and Sigmund Freud.