History of painting group's theories. Next to 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). Proponents of De Stijl sought to express a new utopian ideal of spiritual harmony and order. They advocated pure abstraction and universality by a reduction to the essentials of form and colour; they simplified visual compositions to the vertical
Theo van Lynden van Sandenburg Theo van Lynden van Sandenburg Constantijn Theodoor, Count van Lynden van Sandenburg, (24 February 1826 – 18 November 1885) was a Dutch politician. Van Lynden van Sandenburg served as Chairman of the Council of Ministers (prime minister) of the Netherlands between 1879 and 1883. Lynden van Sandenburg was born in Utrecht in 1826. He trained as a lawyer before entering politics. An orthodox conservative Protestant, Lynden van Sandenburg sided with the anti-revolutionaries. In 1866 he served in the Dutch House of Representatives. He went on to take the position of Minister of Justice between 1874 and 1877 in the Heemskerk/Van