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
Virgin and Child with Canon van der Paele Virgin and Child with Canon van der Paele The Virgin and Child with Canon van der Paele is a large oil-on-oak panel painting completed around 1434–36 by the Early Netherlandish painter Jan van Eyck. It shows the painting's donor, Joris van der Paele, within an apparition of saints. The Virgin Mary is enthroned at the centre of the semicircular space, which most likely represents a church interior, with the Christ Child on her lap. St. Donatian stands to her right, Saint George — the donor's name saint — to her left. The panel was commissioned by van der Paele as