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
Nicolaas van der Waay organization founded by the painter Jan de Boer (1877-1946). Its goal was to bring art to the "common people" at affordable prices. Among his best known students were Lizzy Ansingh, Tjeerd Bottema, Piet Mondriaan and Jan Sluijters. Nicolaas van der Waay Nicolaas van der Waay (1855-1936) was a Dutch decorative artist, watercolorist and lithographer. He worked in many genres, including stamp, coin and banknote designs. He is perhaps best known for the allegorical illustrations he created for the Golden Coach and a series of paintings depicting the lives of girls from the Amsterdam Orphanage. His first drawing lessons came from