Władysław Strzemiński

Władysław Strzemiński (Polish pronunciation: ; ; 21 November 1893 – 26 December 1952) was a Polish painter, art theoretician and pedagogue. He is regarded as a pioneer of Constructivist avant-garde of the 1920s and 1930s and the developer of the theory of unism (Polish: ''unizm''). Provided by Wikipedia