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
Piet van Reenen to play at Ajax in 1929 after the degradation of UVV. At Ajax he played on September 15, 1929 (debut against DFC) until October 18, 1942 (against Blauw-Wit Amsterdam). After Van Reenen had stopped all actually after the 1939-1940 season he later sometimes turn up as Ajax was in distress. Van Reenen eventually stopped at 33 with football. Despite his great talent, Van Reenen played only two matches for the Dutch national team scoring no goals. Piet van Reenen Piet van Reenen born (17 January 1909 – 8 June 1969) was a Dutch former professional footballer who was a prolific