“In 1666 Isaac Newton took a glass prism and separated sunlight into its constituent colours. In so doing he disproved Aristotle’s contention that all colour was a mixture of black and white, invented the modern notion of the colour spectrum, and showed what rainbows are made of. Four hundred years later French artist Yves Klein was still airily proclaiming that “colour is sensibility in material form, matter in its primordial state”. This doesn’t say great things for art.”
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