Mathematics and art through the strings as with a bird cage and to see one form within another which excited me." The artists Theo van Doesburg and Piet Mondrian founded the De Stijl movement, which they wanted to "establish a visual vocabulary elementary geometrical forms comprehensible by all and adaptable to any discipline". Many of their artworks visibly consist of ruled squares and triangles, sometimes also with circles. De Stijl artists worked in painting, furniture, interior design and architecture. After the breakup of De Stijl, Van Doesburg founded the Avant-garde Art Concret movement, describing his 1929–1930 "Arithmetic Composition", a series of four black
Hugo van der Velden University. He's currently teaching at the Universiteit van Amsterdam. His first book, "The Donor's Image: Gerard Loyet and the Votive Images of Charles the Bold", was published by Brepols in 2000. His forthcoming book, "Van Eyck in Holland", deals with Jan van Eyck's contributions to the Turin-Milan Hours. Hugo van der Velden Hugo Tjeerd van der Velden (born 19 October 1963, in Boxmeer) is a Dutch art historian. He currently is Rijksmuseum Chair of Art History of the Middle Ages, especially in the Low Countries. A position in collaboration with Universiteit van Amsterdam. Hugo van der Velden studied art history