English chemist who, independently of Sir Isaac Holden, invented the friction match.
John Walker was born on 29 May, 1781
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