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
Theo van Leeuwen Theo van Leeuwen Theodoor Jacob "Theo" van Leeuwen (born 1947) is a Dutch linguist and one of the main developers of the sub-field of social semiotics. Van Leeuwen obtained a BA in scriptwriting and direction from the Netherlands Film Academy in Amsterdam in 1972. He married an Australian and moved to Australia later in the 1970s. Van Leeuwen worked as a director, script writer, and producer for film and television in both Holland and Australia. Van Leeuwen has also been noted as a former jazz pianist. In 1982, he finished a master's degree at Macquarie University in Sydney with a