[LCR]

1. Andre Derain
2. Hans Baldung Green
3. Baltyus (Balthasar Klossowski)
4. Jacopo Bassano
5. Leonard Fujita
6. Boris Grigoriev
7. David Hockney
8. Elena Guro
9. Pavel Fedotov
10. Franz Marc
11. Lucien Freud
12. Boris Kustodiev
13. Maria Vasilyeva
14. Henri Matisse
15. Natalia Goncharova
16. Theophile Stenleyn
17. Yuri Pimenov
18. Suzanne Valadon
19. Kees van Dongen
20. Andy Warhol

By the way, if you want, № 15 - Goncharova's painting can be put into the story "Old Jew in the art" or something similar, it's called "The Rabbi with a cat"