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
Jan van der Laan Jan van der Laan Johannes Antonius van der Laan (4 May 1896 - 24 August 1966) was a Dutch architect. Van der Laan was born in Leiden, the eldest son of the architect Leo van der Laan. He worked with his father from 1921 until Leo's death in 1942, mostly in Leiden and the surrounding area. After his father's death Jan had various partners in the architectural practice, which continued for many years to design significant buildings in the Netherlands. The partners were: Jan Hermans and Theo van der Eerden, and later Jules Kirch and Henk Blansjaar, who continued the