Rathenau—according to the histories—was prophet and architect of the cartelized state. From what began as a tiny bureau at the War Office in Berlin, he had coordinated Germany’s economy during the World War, controlling supplies, quotas and prices, cutting across and demolishing the barriers of secrecy and property that separated firm from firm—a corporate Bismarck, before whose power no account book was too privileged, no agreement too clandestine.