Oskar Fischinger (June 22, 1900 - 1967): Circles, Triangles and Squares, 1938 - oil on canvas (Smithsonian)
“Oskar Fischinger was an abstract animator, filmmaker, and painter. He made over 50 short animated films, and painted c. 800 canvases, many of which are in museums, galleries and collections worldwide. Among his film works is Motion Painting No. 1 (1947), which is now listed on the National Film Registry of the U. S. Library of Congress.” (Wiki)