American mathematician of repute and inventor of regular expressions.
Stephen Cole Kleene was born on 5 January, 1909
Today's Events: 4 October
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WikiLeaks launched
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Free Software Foundation founded
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Sputnik 1 launched by Soviet Union
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Snoopy makes his first appearance in Peanuts
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Kazuki Takahashi Birthday
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John Vincent Atanasoff Birthday
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Gunpei Yokoi Death Anniversary
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Max Planck Death Anniversary
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Frédéric Auguste Bartholdi Death Anniversary