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 Wijngaarden Vermeer, akin to his "Girl with a Pearl Earring" and donated by collector Andrew W. Mellon to the National Gallery of Art in Washington, D.C. in 1937. Van Wijngaarden often served as the front man, making the sales deals on van Meegeren's forgeries. Theo van Wijngaarden Theo van Wijngaarden (27 February 1874, Rotterdam – 4 November 1952, Voorburg) was a Dutch art forger. Van Wijngaarden was born in Rotterdam and later lived in The Hague. Associated often with fellow art forger Han van Meegeren, van Wijngaarden was a lesser artist whose legitimate income came largely from restoration, working with cheaply