M Rothko Painting on Cardboard, Horizontal Composition. Signed Mark Rothko. Approx Painting Size: 11 x 15 in. Support: Tick Cardboard. This work is being offered as-is, as in manner of or as after the artist . Mark Rothko, Painter (1903– 1970). Marc Rothko is best known as one of the central figures of the Abstract Expressionist movement in American art in the 1950s and 60s. In the mid-20th century, he belonged to a circle of New York-based artists (also including Willem de Kooning and Jackson Pollock) who became known as the Abstract Expressionists. His signature works, large-scale paintings of luminous colored rectangles, used simplified means to evoke emotional responses.