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 Laan Jan van der Laan Johannes Antonius van der Laan (4 May 1896 - 24 August 1966) was a Dutch architect. Van der Laan was born in Leiden, the eldest son of the architect Leo van der Laan. He worked with his father from 1921 until Leo's death in 1942, mostly in Leiden and the surrounding area. After his father's death Jan had various partners in the architectural practice, which continued for many years to design significant buildings in the Netherlands. The partners were: Jan Hermans and Theo van der Eerden, and later Jules Kirch and Henk Blansjaar, who continued the