Although he had hoped to receive a full professorship, it was never awarded him as, according to the German Library of Information, "it was felt that his painting was too personal, his point of view too individual to serve as a fruitful example to students."
Selv om han håbede på at få et professorat, lykkedes det aldrig, da det ifølge det tyske informationsbibliotek "føltes at hans billeder var for personlige, hans synspunkt for individualistisk til at tjene som et nyttigt eksempel for studerende."