B. Aug. 9, 1864, Kamionek near Warsaw, as a son of a small businessman. He edited many journals published by the nationalist camp, among them the theoretical organ of the League, “Przegląd Wszechpolski”. In 1903 he published Myśli nowoczesnego Polaka (“Reflections of a Modern Pole”), a work expounding the programme of the national-democratic movement. During World War I Dmowski – opposed to the conservatives from Galicia (he wrote Upadek myśli konserwatywnej w Polsce [“The Decline of Conservative Thought in Poland”], 1914), who opted for co-operation with Austria-Hungary and Germany – headed the Polish National Committee (Komitet Narodowy Polski, KNP), supporting the idea of unifying Polish lands under the Tsarist sceptre. In 1919 he was elected deputy to the Sejm. In 1919-1923 he worked for governments presided over by W. Witos, for a short period serving as foreign minister. After the May coup he founded the Great Poland Camp (Obóz Wielkiej Polski), and wrote Świat powojenny i Polska (“Postwar World and Poland”, 1931) and Przewrót (“The Coup”, 1934). In mid-1930s he withdrew from active political life. D. Jan. 2, 1939, Drozdów.