Stanisław Ignacy Witkiewicz (Polish, 1885-1939)
Léon Spilliaert (Belgian, 1881-1946)
Richard Nicolaüs Roland Holst (Dutch, 1868 - 1938)
Richard Nicolaüs Roland Holst (Dutch, 1868 - 1938)
Adam Chmielowski (Polish, 1845 - 1916)