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Events on Saturday 9 May 1931 1
1852 – 1931Albert A. Michelson (1852-1931)Died 9 May 1931, aged 78American physicist known for precise measurements of the speed of light and for the Michelson-Morley experiment. In 1907 he became the first American to win a Nobel Prize in the sciences. His interferometer remains a basic tool of physics.