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
Cor van der Hart to play professional football also suspended Van der Hart. Van der Hart was one of the players participating in the Watersnoodwedstrijd of 12 March 1953. This was a match played in the Parc des Princes stadium in Paris and was played in honour of the victims of the North Sea flood of 1953, which happened several weeks before the match. Van der Hart, who still played as a professional in France these days, together with several others like Bram Appel, Theo Timmermans, Bertus de Harder and Kees Rijvers stated in 2003 that he heard the news over the radio and