De Stijl was published by the Dutch painter, designer, writer, and critic Theo van Doesburg that served to propagate the group's theories. Along with Theo van Doesburg, the group's principal members were the painters Piet Mondrian, Vilmos Huszár, and Bart van der Leck, and the architects Gerrit Rietveld, Robert van 't Hoff, and J. J. P. Oud. The artistic philosophy that formed a basis for the group's work is known as "Neoplasticism"—the new plastic art (or "Nieuwe Beelding" in Dutch). According to Theo van Doesburg in the introduction of the magazine "De Stijl" 1917 no.1, the "De Stijl"-movement was a reaction to
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