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Person

John Clauser

A man with gray hair and glasses wears a light gray sweater over a blue collared shirt.

American experimental physicist born 1942. In 1972, working with Stuart Freedman at Berkeley, he ran the first laboratory test of Bell's inequality using entangled photons from calcium atoms. The result favoured quantum mechanics over local hidden-variable theories. Half a century later he shared the 2022 Nobel Prize for that lineage of work.

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