The French artist Henri Rousseau (1844-1910) was a self-taught painter who became a friend of Picasso and an inspiration to the Paris avant-garde.

A leading figure of Italian High Renaissance classicism, Raphael is best known for his "Madonnas," including the Sistine Madonna, and for his large figure compositions in the Palace of the Vatican in Rome.

Nineteenth century Austrian painter Gustav Klimt is known for the highly decorative style of his works, his most famous being The Kiss and the Portrait of Adele Bloch-Bauer.

Richard Wagner is best known for creating several complex operas, including Tristan and Isolde and Ring Cycle, as well as for his anti-semitic writings.

Paul Klee was a prolific Swiss and German artist best known for his large body of work, influenced by cubism, expressionism and surrealism.

Known for his self-portraits and biblical scenes, Dutch artist Rembrandt is considered to be one of the greatest painters in European history.

German serial killer Peter Kürten, known as the "Dusseldorf Vampire," murdered at least nine people before surrendering to police in 1931.

David Alfaro Siqueiros was a Mexican painter and muralist whose work reflected his Marxist ideology.

Jacques-Louis David was a 19th century painter who is considered to be the principal proponent of the Neoclassical style, which moved art briskly away from the previous Rococo period. His most famous works include "The Death of Marat" and "Napoleon Crossing the Alps."