John Kerr
Scottish physicist
Died when: 82 years 241 days (991 months)Star Sign: Sagittarius
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John Kerr FRS (/k??r/; 17 December 1824 – 15 August 1907) was a Scottish physicist and a pioneer in the field of electro-optics. He is best known for the discovery of what is now called the Kerr effect.
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