Paul Klee was a Swiss-born painter who was born in 1879 and died in 1940. He was a prolific artist, producing over 9, 000 works of art during his lifetime. He is best known for his unique style of abstract art, which combined elements of Expressionism, Cubism, and Surrealism. He was also a teacher at the Bauhaus school in Germany, where he taught from 1921 to 1931. His work has been widely exhibited and is held in many major museums around the world.