Karl Anton (until 1918 Prince) Rohan was the founder of the Europäische Kulturbund (1922), out of which the Fédération internationale des Unions intellectuelles (1924) was born. He was the editor of the Europäischen Revue (1925–1936).
Karl Anton Prinz Rohan (1898–1975), black-and-white photograph, 1937, photostudio Fayer, Vienna; source: Rohan, Karl Anton: Schicksalsstunde Europas: Erkenntnisse und Bekenntnisse: Wirklichkeiten und Möglichkeiten, Graz 1937.