Polish ophthalmologist, inventor and author, famous for creating Esperanto which is regarded as the most successful constructed language in the world.
L. L. Zamenhof was born on 15 December, 1859
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