Analysis of information sources in references of the Wikipedia article "Ferdinand Georg Waldmüller" in English language version.
During her lifetime Irma Lowenstein was continually foiled in her mission to reclaim three paintings that had been seized from her Vienna apartment in the 1930s and were due to become part of Hitler's Führer Museum in Linz. Ms Lowenstein and her husband, Oscar, who ran a liberal newspaper in Austria, fled to Britain in 1938 and settled in London. He died shortly afterwards and she remarried and became Irma Austin. She then attempted to reclaim her possessions, including the three Ferdinand Georg Waldmüller paintings that had been seized under the anti-Jewish Nuremberg Laws.
Hitler wanted Portrait of a Young Lady by Ferdinand Georg Waldmüller, one of his favorite painters. And Kallir, willing or not, was the dealer who got it for him.