Composition with Red Blue and Yellow De Stijl. An encounter with fellow Dutch artist Bart van der Leck provided ground for Mondrian to exchange ideas. From van der Leck he received the concept of painting flat areas of pure color; a solution to Mondrian’s problem of coloring - he was then using color in what he considered an Impressionist way, which was too restless and emotional. In return, van der Leck adopted Mondrian’s concept of crossed vertical and horizontal lines as a basis for composition. These two technical elements are consistent throughout all of Mondrian’s work. Shortly after the formation of Mondrian and van der Leck’s
Jef Van der Veken Hubert van Eyck and identified the Master of Flémalle with Rogier van der Weyden (current scholarship identifies the Master of Flémalle with Robert Campin, the teacher of Rogier van der Weyden). These publications aroused lively polemics with reputed art historians. At the 1935 World Exhibition in Brussels three works, of which the visible surface had been executed mainly by Van der Veken, where exhibited under the name of Rogier van der Weyden: one as an original work by van der Weyden (the Madonna with Child or 'Renders Madonna', now in the Museum of Fine Arts in Tournai) and two as