Hilma af Klint: VisionaryHilma af Klint's works have taken the international art world by storm, more than a hundred years after their creation. At the turn of the 20th century, the new spiritual and social movements of Theosophy, then Anthroposophy, inspired the pioneers of modernism and abstract art Kandinsky, Mondrian, Malevich and Hilma af Klint. What was the zeitgeist that inspired such an artistic explosion? In 2018, the exhibition at New York's Guggenheim Museum Hilma