Japanese contemporary artist whose immersive polka-dot installations, infinity mirror rooms and vibrant pumpkin sculptures made her one of the most celebrated and commercially successful artists in the world. Born into a seed-merchant family in Matsumoto, she began experiencing vivid hallucinations as a child — flashes of light, auras and dense fields of dots — and channelled these visions into an extraordinary body of work spanning painting, sculpture, installation, performance, fiction and fashion. She lived voluntarily in a psychiatric institution in Tokyo from 1977, walking to her nearby studio each morning to create. By the time of her death at 97, she was the world's top-selling living artist.
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