Born on April 4, 1882 in Chropyně in Moravia. 1900 first study trip to Vienna. From 1903 to 1906 he studied at the Prague Academy with professors Thiele and Bukovac. 1907-1908 exhibitions with the group OSMA (The Eight) (Vincenc Beneš, Othon Coubine, Antonín Procházka, Bohumil Kubista, Max Horb, Willy Nowak, Bedřich Feigl) in Prague. From 1909 member of the artists' association Mánes, where he worked as a leading representative and organizer, with interruptions until the cancellation in 1951. 1906-1914 regular stays in Paris with close contacts to Picasso, Braque, Gris, Pascin, Chagall, Kars, Jacob and Apollinaire. In exile in the Nierderlanden since 1914. There in 1917 collaboration with T. van Doesburg and P. Mondrian on the first number of the revue "De Stijl". 1919-20 he founded and headed the Czechoslovakian embassy in The Hague. Between the two world wars he took turns in Prague and Paris. From 1939 to 1945 he was interned in the Dachau and Buchenwald concentration camps because of his anti-fascist attitude. 1945 Professorship at the University of Applied Arts in Prague. In addition to the artistic work, he deals with art theory and art history with corresponding publications. Participation in the art magazine "Volné směry (Free Paths)". Died on October 6, 1953 in Prague.