When was the Dutch artist who was part of Art Concret born?
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.
Artus Claessens Artus Claessens ("fl" 1625 - 1644) was a Flemish Baroque still-life painter who is known for is opulent still lifes.