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John Kerr

 
Scientist: John Kerr

British physicist (1824–1907)

Born at Ardrossan in Scotland, Kerr studied at Glasgow University and carried out research work under Lord Kelvin. He taught mathematics at a training college in Glasgow. He is remembered for his work on polarized light, in which he discovered that certain substances placed in a strong electric field exhibit birefringence (the Kerr effect). Kerr also described the behavior of polarized light when reflected from the polished pole of an electromagnet (the Faraday effect).

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Scientist. A Dictionary of Scientists. Copyright © Market House Books Ltd 1993, 1999, 2003. All rights reserved.  Read more
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