Black Square and Red Square is a Suprematist, Oil on Canvas Painting created by Kazimir Malevich in 1915. It lives at the Museum of Modern Art in New York. The image is tagged Abstract Art. Source
Kazimir Malevich gave this artwork a secondary title of Painterly Realism of a Boy with a Knapsack - Color Masses in the Fourth Dimension, revealing his rather acerbic sense of humor.