Composition with Red Blue and Yellow working relationship, they were contacted by Theo van Doesburg, a painter who frequently wrote about art for different periodicals and whom is considered the propagandist of the De Stijl movement. He invited Mondrian and van der Leck to join his initiative to start an artistic review periodical. They agreed and the result of this was the journal entitled De Stijl. Together they formed an artistic collective that consisted not only of painters but also architects; the movement was confined to strictly Dutch areas due to war. These artists cannot be considered the same. For example, not all De Stijl artists
Jan van der Laan Jan van der Laan Johannes Antonius van der Laan (4 May 1896 - 24 August 1966) was a Dutch architect. Van der Laan was born in Leiden, the eldest son of the architect Leo van der Laan. He worked with his father from 1921 until Leo's death in 1942, mostly in Leiden and the surrounding area. After his father's death Jan had various partners in the architectural practice, which continued for many years to design significant buildings in the Netherlands. The partners were: Jan Hermans and Theo van der Eerden, and later Jules Kirch and Henk Blansjaar, who continued the