He was known for antisemitic rhetoric that is said to have inspired Adolf Hitler, who lived in Vienna as a young man ... to deter protesters from spray-painting it. Viennese artist Klemens ...

Prior to World War One, in which he fought, Hitler worked in Vienna as a casual labourer and an artist, drawing postcards and paintings. He was twice rejected from the Vienna Academy of Fine Arts.

It features paintings that were deemed "degenerate ... Her stepmother, Claire Grabscheid, was a young lawyer in Vienna during the Anschluss, when Hitler's regime annexed Austria.