[1] In Paris, but also in Brussels, the two became part of the artistic community[3] and bought paintings from Max Ernst, Paul Klee and Marc Chagall amongst others.
[1] She acted as president of the foundation and was the first woman member of the art commission of the Kunstmuseum in Basel between 1940 and 1964.
[2] In 1941 she donated the collection of the Emanuel Hoffmann Foundation to the Kunstmuseum Basel as a permanent deposit.
[2] Together with Paul Sacher, she expanded the collection with works of Joseph Beuys, Mark Rothko, Alberto Ciacometti and Alexander Calder.
[4] In 1980 she donated the at the time first Museum for contemporary art, which is today a part of the Kunstmuseum in Basel.