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 Scheltinga and 2nd= at Budapest 1960. He competed in the Chess Olympiads of 1937, 1939, 1950, 1952, and 1954. Van Scheltinga worked as a carpenter at the Amsterdam Stock Exchange. Theo van Scheltinga Tjeerd (Theo) Daniel van Scheltinga (6 March 1914, Amsterdam – 30 July 1994) was a Dutch chess player. FIDE awarded him the International Master title in 1950. Van Scheltinga was one of the leading Dutch players from 1936 to the late 1950s. In 1936 he was third in the Dutch Championship, and he tied for first with Max Euwe in 1947, but lost the playoff 2.5–5.5. He won