TarteComposition IX by Theo van Doesburg (1918)
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Composition IX is a painting from one of the leaders of the De Stijl movement, Theo van Doesburg. The painting, completed in 1918, hangs in the Kunstmuseum, The Hague, Netherlands.
Theo van Doesburg (Dutch, 30 August 1883 – 7 March 1931) was a Dutch painter, writer, poet and architect. He is best known as the founder and leader of De Stijl.
https://en.wikipedia.org/wiki/Theo_van_Doesburg
More Theo: https://artvee.com/artist/theo-van-doesburg/