20th-century Western painting of approaches to depicting everyday bottles and kitchen implements. Throughout the 20th century many painters practiced Realism and used expressive imagery; practicing landscape and figurative painting with contemporary subjects and solid technique, and unique expressivity like Milton Avery, John D. Graham, Fairfield Porter, Edward Hopper, Andrew Wyeth, Balthus, Francis Bacon, Frank Auerbach, Lucian Freud, Leon Kossoff, Philip Pearlstein, Willem de Kooning, Arshile Gorky, Grace Hartigan, Robert De Niro, Sr., Elaine de Kooning and others. Along with Henri Matisse, Pablo Picasso, Pierre Bonnard, Georges Braque, and other 20th-century masters. The figurative work of Francis Bacon, Frida Kahlo, Edward Hopper, Lucian Freud
20th-century Western painting for that spiritual knowledge. Other major pioneers of early abstraction include Swedish painter Hilma af Klint, Russian painter Kazimir Malevich, and Swiss painter Paul Klee. Robert Delaunay was a French artist who is associated with Orphism, (reminiscent of a link between pure abstraction and cubism). His later works were more abstract, reminiscent of Paul Klee. His key contributions to abstract painting refer to his bold use of color, and a clear love of experimentation of both depth and tone. At the invitation of Kandinsky, Delaunay and his wife the artist Sonia Delaunay, joined The Blue Rider (Der Blaue Reiter), a