Theo van Doesburg last issue of De Stijl as a memorial issue with contributions by old and new members from De Stijl. Theo van Doesburg Theo van Doesburg (, 30 August 1883 – 7 March 1931) was a Dutch artist, who practiced painting, writing, poetry and architecture. He is best known as the founder and leader of De Stijl. He was married to artist, pianist and choreographer Nelly van Doesburg. Theo van Doesburg was born Christian Emil Marie Küpper on 30 August 1883, in Utrecht, the Netherlands, as the son of the photographer and Henrietta Catherina Margadant. After a short training in acting
Helene Kröller-Müller the first people to recognise the genius of Vincent van Gogh. She eventually amassed more than 90 van Gogh paintings and 185 drawings, one of the world's largest collections of the artist's work, second only to the Van Gogh Museum in Amsterdam. She also bought more than 400 works by Dutch artist Bart van der Leck, but his popularity did not take off like van Gogh's. Kröller-Müller also collected works by modern artists, such as Picasso, Georges Braque, Jean Metzinger, Albert Gleizes, Fernand Léger, Diego Rivera, Juan Gris, Piet Mondrian, Gino Severini, Joseph Csaky, Auguste Herbin, Georges Valmier, María Blanchard,