Theo van Doesburg. Theo van Doesburg 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 Wilhelm Küpper and Henrietta Catherina Margadant. After a short training in acting and singing, he decided to become a storekeeper.
   He always regarded his stepfather, Theodorus Doesburg, to be his natural father, so that his first works are signed with Theo Doesburg, to which he later added the insertion van. His first exhibition was in 1908.
   From 1912 onwards, he supported his works by writing for magazines. He considered himself to be a modern painter, at that time, although his early work is in line with the Amsterdam Impressionists and is influenced by Vincent van Gogh, both in style and subject matter. This suddenly changed in 1913 after reading Wassily Kandinsky's Rückblicke, in which he looks back at his life as a painter from 1903 to 1913. It made him realize there was a higher, more spiritual level in painting that originates from the mind rather than from everyday life, and that abstraction is the only logical outcome of this. It was already in 1912 that Van Doesburg was criticizing Futurism in an art article in Eenh
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