Władysław Strzemiński (born November 21, 1893 in Minsk, died December 26, 1952 in Łódź) - Polish painter, art theorist, journalist, constructivist educator. A pioneer of the constructivist avant-garde of the 1920s and 1930s; creator of the theory of unism. In 1945 he became a lecturer at the State Higher School of Fine Arts in Łódź, of which he was a co-founder. In the same year, he handed over his artistic heritage to the Museum of Art in Łódź. In 1950, on the order of the Ministry of Culture and Art, Strzemiński was dismissed from work at the PWSSP (National Higher Art School) on charges of not respecting the norms of the doctrine of socialist realism. In the last period of his life, with the help of a group of former students, he was working on the book Teoria Widzenia (Theory of Sight, published posthumously in 1958). He died of tuberculosis.