Between the World Wars as the Austro-Hungarian empire declined, the intellectual life of Vienna blossomed. Figures like Sigmund Freud, Ludwig Wittgenstein, Ernst Mach, Arnold Schoenberg, and Karl Krauss thought about a new world order. at a time when the old ways seemed doomed to destruction, it was an open question what was to come next.

(For more “World of Ideas” classes:  see class #117, 156, 246)