Walden, Nell (born Nelly Anna Charlotta Roslund; also Nelly Anna Charlotta Lewin)
Karlskrona, Sweden 1887–Berne, 1975

Nell Walden was a Swedish painter, writer, and collector active in Germany and Switzerland during the twentieth century. Married to Herwarth Walden (Georg Lewin), she was a key figure in the activities of Der Sturm in Berlin. In the 1910s and 1920s she amassed a wide-ranging art collection of hundreds of works that included examples of the international avant-garde as well as non-Western art and ethnographic artifacts.

Born Nelly Anna Charlotta Roslund, Walden was the daughter of a Swedish clergyman, Frithiof Roslund. Her family was affluent and well connected thanks to her mother, Hilda Smith, who came from...