The book brings to life an unparalleled burst of intellectual creativity and with it an entire era, from post-war exuberance to economic crisis and the emergence of National Socialism. It becomes an intellectual adventure story, a journey through the greatest revolution in Western thought told through its four protagonists, Walter Benjamin, Ludwig Wittgenstein, Martin Heidegger and Ernst Cassirer. An Economist, Guardian and New Statesman Book of the Year 2020