Zygmunt Waliszewski (Polish, 1897-1936)
August Macke (German, 1887-1914)
Akseli Gallen-Kallela (Finnish, 1865 - 1931)
Henry Nielsen (Danish, 1907 - 1937)
Léon Spilliaert (Belgian, 1881-1946)
Juan Gris (Spanish, 1887-1927)
Alvar Cawén (Finnish, 1886 - 1935)
Tiit Pääsuke (Estonian, b. 1941)
Robert Delaunay (French, 1885-1941)
Franz Wilhelm Seiwert (German, 1894 – 1933)
August Babberger (German, 1885 – 1936)
Paul Klee (German, 1879 - 1940)
Reijer Stolk (Dutch, 1896 - 1945)
Francis Picabia (French, 1879-1953)
Ernst Ludwig Kirchner (German, 1880-1938)
Jules Bourgoin (French, 1838-1908)
Kurt Schwitters (German, 1887 - 1948)
Louis Soutter (Swiss, 1871 – 1942)
Magnus Enckell (Finnish, 1870-1925)
Arthur Dove (American, 1880-1946)
Anonymous
Bernard Willem Wierink (Dutch, 1856 - 1939)
Oluf Hartmann (Danish, 1879 – 1910)
Thorvald Hellesen (Norwegian, 1888-1937)
Gustave Jéquier (Swiss, 1868-1946)
Franz Wilhelm Seiwert (German, 1894 – 1933)