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 Gogh (art dealer) the introduction of contemporary Dutch and French art to the public. Theodorus "Theo" van Gogh was born on 1 May 1857 in the village Groot-Zundert in the province of North Brabant, Netherlands. He was the son of Theodorus van Gogh and Anna Cornelia Carbentus. His elder brother was artist Vincent van Gogh (1853–1890). Theo worked for some years at the Dutch office of the Parisian art dealers Goupil & Cie in The Hague. Theo joined the Brussels office on 1 January 1873 as their youngest employee. After Theo was transferred to the London office, he moved to the office in