British physicist, electrical engineer and an instrument maker. He invented the moving coil oscillograph, the thermo-ammeter and the thermo-galvanometer.
William Duddell was born on 1 July, 1872
Today's Events: 25 April
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att.com registered by AT&T
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Patent for IC – Robert Noyce
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Solar cell demonstrated for the first time
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Structure of DNA discovered
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DNA Day [DNA Day]
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Zev Siegl Birthday
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Richard C. Hoagland Birthday
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Albert Uderzo Birthday
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Mort Weisinger Birthday
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Wolfgang Pauli Birthday
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Guglielmo Marconi Birthday
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Édouard-Léon Scott de Martinville Birthday
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Charles Sauria Birthday
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Saul Bass Death Anniversary
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George Herriman Death Anniversary
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Siméon Denis Poisson Death Anniversary
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Anders Celsius Death Anniversary