image of František  Kupka from wikipedia

František Kupka

František Kupka, also known as Frank Kupka or François Kupka, was a Czech painter and graphic artist. He was a pioneer and co-founder of the early phases of the abstract art movement and Orphic Cubism (Orphism). Kupka's abstract works arose from a base of realism, but later evolved into pure abstract art. Read more from Wikipedia →

Works by this artist in other museums: the Art Institute of Chicago, the Museum of Modern Art in New York.