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
Piet van der Walt Police (SWAPOL) before Namibian independence, he stated that his short stint in Oshakati in the north of Namibia was merely to serve in the auxiliary service as mechanic. From 1990 he worked for Old Mutual in Windhoek. In 1999 he started "Van der Walt Motors", a service station with surrounding shops near Windhoek's city centre. A White Afrikaner Namibian, van der Walt began associating with SWAPO in a business capacity following independence in 1990. He was placed on the parliamentary list for SWAPO at number 42 prior to the 2009 National Assembly election and subsequently elected. He was associated with