Serialism closely related to certain works from the de Stijl and Bauhaus movements in design and architecture called "serial art" by some writers (; ; ; ), specifically the paintings of Piet Mondrian, Theo van Doesburg, Bart van Leck, Georg van Tongerloo, Richard Paul Lohse, and Burgoyne Diller, who had been seeking to “avoid repetition and symmetry on all structural levels and working with a limited number of elements” . Stockhausen described the final synthesis in this manner: So serial thinking is something that's come into our consciousness and will be there forever: it's relativity and nothing else. It just says:
Theo van Gogh (art dealer) letters Vincent wrote during his life were to Theo, including his first and his last letters. It is largely thanks to Theo and his wife that these letters are available today. Hardly any of Theo's letters remain because Vincent failed to keep them. The letters have been collected and published in book form as "The Letters of Vincent van Gogh". The relationship between the two brothers was the subject of the movie "Vincent & Theo" (1990), directed by Robert Altman. It also formed an important part of the film "Lust for Life" (1956), which was directed by Vincente Minnelli. Theo