Nell Walden
Nelly Anna Charlotta Walden (née Roslund; 29 December 1887 – 21 October 1975) was a Swedish painter, art collector, and writer. A key figure in the activities of Berlin-based avant-garde magazine ''Der Sturm'', Walden was a pioneer of abstract art and was married to German writer Herwarth Walden. Provided by Wikipedia
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