By the 1920s his paintings had been discovered by the Expressionists, and in the 1930s and early 1940s Surrealists and Existentialists frequently drew ideas from his work.
I 1920'erne blev hans billeder opdaget af ekspressionisterne, og i 1930'erne og begyndelsen af 1940'erne hentede surrealisterne og eksistentialisterne ofte inspiration i hans arbejde.