Olga Vladimirovna Rozanova (Russian, 1886 – 1918)
Tadeusz Makowski (Polish, 1882-1932)
Marsden Hartley (American, 1877-1943)
Édouard Vuillard (French, 1868-1940)
John Covert (American, 1882 – 1960)
Walter Kurt Wiemken (Swiss, 1907 – 1940)
Fritz Baumann (Swiss, 1886 - 1942)
Henri Gaudier-Brzeska (French, 1891–1915)
Sophie Taeuber-Arp (Swiss, 1889-1943)
Mikuláš Galanda (Slovak, 1895 – 1938)
Frances Hodgkins (New Zealander, 1869-1947)
Robert Delaunay (French, 1885-1941)
Lovis Corinth (German, 1858-1925)
Anonymous
Hilma af Klint (Swedish, 1862 – 1944)
Stanisław Ignacy Witkiewicz (Polish, 1885-1939)
Paul Klee (German, 1879 - 1940)
Hans Prinzhorn (German, 1886-1933)
Emile-Allain Séguy (French, 1877-1951)
Anonymous
Gottfried Graf (German, 1881–1938)
George Overbury Hart (American, 1868–1933)
Leo Gestel (Dutch, 1881- 1941)
Amadeo de Souza-Cardoso (Portuguese, 1887 – 1918)
Arnold Fiechter (Swiss, 1879-1943)
John Varley (English, 1778-1842)
Edvard Munch (Norwegian, 1863 - 1944)
Dorothea Maetzel-Johannsen (German, 1886-1930)