Being and Time of Heidegger's early career, but he produced other important works from this period: Although Heidegger did not complete the project outlined in "Being and Time", later works explicitly addressed the themes and concepts of "Being and Time". Most important among the works which do so are the following: "Being and Time" has been seen as a product of the crisis of German culture following Germany's defeat in World War I, and has been compared in this respect to works such as Ernst Bloch's "The Spirit of Utopia" (1918), Oswald Spengler's "The Decline of the West" (1918), Franz Rosenzweig's "The Star
Christian Wolff (philosopher) This includes a volume that unites the three most important older biographies of Wolff. An excellent modern edition of the famous Halle speech on Chinese philosophy is: Christian Wolff (philosopher) Christian Wolff (less correctly Wolf, ; also known as Wolfius; ennobled as Christian Freiherr von Wolff; 24 January 1679 – 9 April 1754) was a German philosopher. Wolff was the most eminent German philosopher between Leibniz and Kant. His main achievement was a complete "oeuvre" on almost every scholarly subject of his time, displayed and unfolded according to his demonstrative-deductive, mathematical method, which perhaps represents the peak of Enlightenment rationality