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 Reijn Theo van Reijn Theo van Reijn (Breda, May 28, 1884 - Haarlem, August 6, 1954) was a Dutch sculptor. Van Reijn attended classes in 1905 at the Rijksakademie van beeldende kunsten in Amsterdam, where Bart van Hove was one of the teachers. In 1911 he won the Dutch Prix de Rome and spent a year in Rome, and in 1914 worked in Paris. Back in The Netherlands he settled in Haarlem, where he worked until 1954. One of his pupils in Haarlem was Joop Beljon. In 1948 van Reijn wrote a book about the foremost Dutch contemporary sculptures, which was