De Stijl
Reduce visual experience to its irreducible elements: horizontal, vertical, primary colour, black, white, grey.
A specimen of the movement's grammar, built in code.
In 1917, in the small Dutch city of Leiden, a painter named Theo van Doesburg launched a magazine called De Stijl — "The Style." It would run for fourteen years and articulate one of the most rigorous, austere, and influential visual philosophies of the twentieth century. The magazine had a small circulation. Its consequences were everywhere.
The core proposition, developed largely by van Doesburg and the painter Piet Mondrian, was that visual art had been over-complicated for centuries by the demand that it depict the world. Strip that demand away, and you could ask a much purer question: what are the irreducible elements of visual experience? Their answer: the horizontal line, the vertical line, the three primary colors (red, yellow, blue), and the three non-colors (black, white, grey). Anything more was decoration; anything less was incomplete.
Mondrian spent the next thirty years exploring this vocabulary with monastic discipline. The paintings most people now recognize — white canvases divided by black lines into rectangular cells, some filled with primary color — are not abstract studies. They are Mondrian's attempt to depict, with the visual world's simplest possible elements, what he called "the universal." For him, every painting was a question about balance: can these few lines and squares hold each other in such tension that the composition feels inevitable, irreducible, settled?
De Stijl was never just painting. Gerrit Rietveld designed a chair (1918) and a house (1924) in the same vocabulary — primary planes, vertical and horizontal members, the elimination of the diagonal and the curve. J.J.P. Oud built workers' housing on De Stijl principles. The movement was, like Suprematism and Constructivism in Russia, an attempt to redesign daily life from first principles — but where the Russians were revolutionary and political, the Dutch were utopian and philosophical. They believed that if you could discipline a chair, you could discipline a city, and if you could discipline a city, you could discipline a civilization.
The movement effectively ended when Mondrian and van Doesburg fell out, around 1924, over whether the diagonal could be admitted into the vocabulary (van Doesburg, by then, said yes; Mondrian, never). Van Doesburg died in 1931 and the magazine stopped. But De Stijl's logic — strict reduction to fundamental elements, hard-edged geometric planes, primary color used as structure rather than decoration — became foundational to everything that followed. Mondrian's grammar is now so embedded in design culture that we hardly notice it: every navigation bar, every grid system, every minimalist poster from 1960 onward owes him something.