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
Jan van der Vaart Jan van der Vaart Johannes Jacobus (Jan) van der Vaart (The Hague, 17 October 1931 – Leiden, 8 November 2000) was an influential Dutch ceramist from the 20th century, known as founder of the abstract-geometric ceramics in the Netherlands. One of the key concepts in his work was the reintroduction of the pyramid or tulips tower, a specific type of tulip vase, from the 16th century in his own constructivist form. Van der Vaart is autodidact, and took a pottery class for amateurs at the Vrije Academie in The Hague by Just van Deventer and Theo Dobbelman. In the 1950s