Władysław Strzemiński 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.

Muzeum Sztuki, or the Museum of Art in Łódź, is a museum of modern and contemporary art in Łódź, Poland, whose main goal is to research and display the history of avant-garde art, with a focus on Central and Eastern Europe. Founded in 1931, Muzeum Sztuki is one of oldest institutions in the world dedicated to collecting modern art still in existence.