During his lifetime, Fritz Grünbaum was a well-known art collector, especially of Austrian modernist art, whose artworks were featured in famous catalogues and exhibitions. His collection extended to over 400 pieces, 80 of them have been works made by Egon Schiele (1890-1918)
This collection disappeared during NAZI time and 25% of the collection appeared on the art market in the early 1950, through Swiss Art dealer Eberhard Kornfeld. The fate of the remaining rest is buried in the past up till now. The known works out of the collection Fritz Grünbaum you can find in the collections of prominent museums and privat art collectors.