1894 - 1988 A Polish painter, author of reliefs, graphics, collages and spatial forms. A member of such formations as Blok (i.a. Władysław Strzemiński, Teresa Żarnowerówna, Mieczysław Szczuka), Praesens (Bohdan Lachert, Symon Syrkus), a.r (Jan Brzękowski, Jan Przyboś). A member of groups such as Cercle et Caree and Abstraction-Creation. Together with Edward Krasiński and Tadeusz Kantor, he established the Foksal Gallery. He is widely considered as the patron of Polish avant-garde, he created purely abstract compositions based on Constructivism. 

Works in collections: National Musuem in Warsaw, Krakow, Wrocław, Muzeum Górnośląskie in Bytom, Zachęta National Gallery of Art inWarsaw, Muzeum Sztuki in Łódź, Bernardo Mueller Museum in Otterlo, Museum Wuerth in Kuenzelsau, Daimler Contemporary in Berlin, Ludwig Museum ? Museum of Contemporary Art in Budapest.

Selected exhibitions: Constructivism in Poland: 1923-35, Museum of Modern Art, New York (1976); Annely Juda Fine Art, Londo (1982); Rooseum Center for Contemporary Art, Malmo (2000); retrospective exhibition, CSW Ujazdowski Castle, Warsaw (2001); retrospective exhibition,  National Museum in Krakow (2008); Museum der Wuensche, MUMOK, Vienna (2011); A Fine Line: Concrete, Constructivist And Minimalist Art, Austin/Demond Fine Art, London (2014).