Wassily Kandinsky was known as a pioneer of abstract painting, both independently and as part of the Blaue Reiter group (1911-1914) and Blaue Vier (beginning in 1924) with Lyonel Feininger, Alexej Jawlensky, and Paul Klee. Some of his notable paintings are Composition VII (1913), Dominant Curve (1936), Blue Mountain (1908), Violet Dominant White Line and Blue Segment.