1. Historical / Cultural context
   1. WW I
   2. WW II
   3. Cinema
2. Artist / Art movements
   1. Before WWII
      1. Expressionism
         1. Fauvism (France)
            1. Henry Matisse
            2. André Derain
         2. Die Bruecke (Dresden, Germany)
            1. Ernst Ludwig Kirschner
            2. Karl Schmidt-Rottluff
            3. Otto Müller
            4. Emil Nolde
            5. Oskar Kokoschka
         3. Der Blaue Reiter (Munich, Germany)
            1. Wassily Kandinsky
            2. Franz Marc
      2. Abstractionism
         1. Wassily Kandinsky
         2. Kasimir Malevich
         3. Piet Mondrian
      3. Cubism
         1. George Braque
         2. Pablo Picasso
         3. Fernand Léger
         4. Robert Delaunay
      4. Futurism
         1. Umberto Boccioni
         2. Giocomo Balla
         3. Marcel Duchamp
      5. Surrealism
         1. Giorgio de Chirico
         2. Pablo Picasso
         3. George Grosz
         4. Max Ernst
         5. Paul Klee
         6. André Masson
         7. Joan Miro
         8. Salvador Dali
         9. René Magritte
   2. After WWII
      1. Arshile Gorky
      2. Willelm De Kooning
      3. Franz Kline
      4. Jackson Pollock
      5. Jean Dubuffet
      6. Alberto Burri
      7. Lucio Fontana
      8. Mark Rothko
      9. Barnet Newman
      10. Robert Motherwell
      11. William Baziotes
3. Influences
   1. European influences
      1. Realism
         1. Edouard Manet
      2. Impressionism
         1. Claude Monet
         2. Edgar Degas
      3. Post impressionism
         1. Vincent Van Gogh
         2. Paul Cézanne
         3. Paul Gauguin
   2. Non european influences