Otto Nathan Deutsch (died 1943) was a Jewish art collector and refugee from Nazis.
Facing persecution by the Nazis because of their Jewish heritage, Otto Nathan and Bertha Deutsch fled Frankfurt in 1939 to Amsterdam.
[4] The painting “Blumengarten (Utenwarf)” by Emil Nolde surfaced in Switzerland in 1967 at the Roman Norbert Ketterer auction house[5] where it was acquired by the Swedish museum, Moderna Museet, The family requested that the Stockholm museum return the painting, setting off a long court battle.
[6][2] In 2006 the heirs of Otto Nathan Deutsch and the Moderna Museet in Stockholm, Sweden reached a settlement concerning the 1917 Emil Nolde painting Blumengarten (Utenwarf) after a dispute lasting seven years.
[2] Another Nolde painting, Mohn und Rosen, which had ended up in a private collection, was restituted to the Deutsch heirs in 2021.