American police office known for inventing the modern polygraph (lie detector) used in forensic investigation. The device was later refined by Leonarde Keeler who also extensively promoted its use.
John Augustus Larson was born on 11 December, 1892
Today's Events: 26 April
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Chernobyl Nuclear Power Plant disaster occurs
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Meteor shower convinces scientists of their existence
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William Shakespeare baptised
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World Intellectual Property Day [World Intellectual Property Day]
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Hal Abelson Birthday
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Arno Allan Penzias Birthday
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George Tuska Birthday
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Armstrong Sperry Death Anniversary
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Srinivasa Ramanujan Death Anniversary
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Édouard-Léon Scott de Martinville Death Anniversary