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
Cornelis van der Sluys Cornelis van der Sluys Cornelis van der Sluys (Brouwershaven, 4 June 1883 – Amsterdam, 4 January 1944) was a Dutch furniture and textile designer, interior designer, decorator, glass painter, sculptor, goldsmith, organizer, and publicist. Van der Sluys designed textile, made designs for carpets, wallpaper and chairs and ceramic decorations on pottery for the first Steenwijker Art Pottery Factory. From 1901 to 1904 he designed Belgian and French Art Nouveau, Arts & Crafts copper work and designs for batiks for the Hague art dealers. Cornelis van der Sluys was the son of Willem van der Sluys (agent) and Anna Constandse. He