Arithmetic Composition, 1929-1930 by Theo van Doesburg and the Golden Rectangle

Successive Golden Rectangles dividing a Golden Rectangle into squares (Arithmetic Composition by Theo van Doesburg).

Theo van Doesburg  (1883 - 1931) was a Dutch artist, practicing in painting, writing, poetry and architecture. He is best known as the founder and leader of De Stijl.

De Stijl, also known as neoplasticism, was a Dutch artistic movement founded in 1917. 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 color; they simplified visual compositions to the vertical and horizontal directions, and used only primary colors along with black and white.

Geometric abstract art is a form of abstract art based on the use of geometric forms sometimes, though not always, placed in non-illusionistic space and combined into non-objective (non-representational) compositions.

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A golden rectangle is a rectangle whose side lengths are in the golden ratio, one-to-phi, that is, approximately 1:1.618. A distinctive feature of this shape is that when a square section is removed, the remainder is another golden rectangle, that is, with the same proportions as the first. Square removal can be repeated infinitely, which leads to an approximation of the golden or Fibonacci spiral.
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