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
Kunst zij ons doel were not well represented. Prominent members of 'De Groep' were: Jan Hendrik van Borssum Buisman, Jules Chapon, Jac Clay, Poppe Damave (chairman), Edgar Fernhout, Frans Funke, Cor Hak, Kees Hak, Anton Heyboer, Marjan Jaspers, Roelof Klein (sculptor), Bart van der Leck, Albert Loots, Jan Meijer, Hans Mulder, Wim Oepts, Kees Okx, Piet Ouborg, Jaap Ploos van Amstel, John Rädecker, Georges Robèr, Charles Roelofsz, Arie Schouten, Wim Schuhmacher, Bert Schutter, Wim Steijn, Levinus Tollenaar, Charley Toorop, Frans Verpoorten, and Jan Wiegers Members were Ben Andréa, Albert Arens, Truida Baaren-Ruysenaars, Nel Bakema, Harry Balm, Elizabeth Frederika van der Ban, Bauk Cornelis Betzema,