Theo van Doesburg 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 and singing he decided to become a painter. He always regarded his stepfather, Theodorus Doesburg, to be his natural
Theo van Gogh (art dealer) caused by "heredity, chronic disease, overwork, sadness". In 1914, Theo's body was exhumed and reburied with his brother at Auvers-sur-Oise. Theo van Gogh (art dealer) Theodorus "Theo" van Gogh (; 1 May 1857 – 25 January 1891) was a Dutch art dealer. He was the younger brother of Vincent van Gogh, and Theo's unfailing financial and emotional support allowed his brother to devote himself entirely to painting. Theo died at the age of 33, six months after his brother died at the age of 37. Theo is widely known for his influence on his brother; however, this often overshadows the