English mathematician who claimed to have invented the octant two years after Thomas Godfrey. Octant is a measuring instrument used primarily in navigation.
John Hadley was born on 16 April, 1682
Today's Events: 29 April
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Safari version 2.0 released
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Commodore International files for bankruptcy
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Paul Baran Birthday
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Harold Urey Birthday
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William Randolph Hearst Birthday
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Al Feldstein Death Anniversary
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Roland Moreno Death Anniversary
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Sandy Douglas Death Anniversary
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Albert Hofmann Death Anniversary
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William Eccles Death Anniversary
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Wallace Carothers Death Anniversary