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
Gerard van der Lem Gerard van der Lem Gerard van der Lem (born November 15, 1952) is a retired football winger from the Netherlands, who made his professional debut for FC Amsterdam on August 12, 1973 against PSV Eindhoven. He later played for Roda JC, Feyenoord Rotterdam, Sparta Rotterdam and FC Utrecht. After his professional playing career Gerard Van der Lem started his coaching career as assistant coach to world-famous coaches like Piet de Visser, Dick Advocaat and Louis van Gaal. In his first engagement at FC Alkmaar (AZS) he was responsible coach for the amateur teams (and became Holland Champion in 1985) as