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John Hadley: Quick Facts

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Facts

Born April 16, 1682 • Hertfordshire • England
Died February 14, 1744 (aged 61) • England
Inventions octant

Photos

Hadley's Quadrant
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Sir John Herschel, 1st Baronet
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Richard Trevithick, detail of an oil painting by John Linnell, 1816; in the Science Museum, London.
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Charles Babbage
Charles Babbage
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George Cayley, detail of an oil painting by Henry Perronet Briggs, 1840; in the National Portrait Gallery, London
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Arkwright, detail of an engraving by J. Jenkins after a portrait by Joseph Wright
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Sir Charles Wheatstone
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Galileo
Galileo
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Charles, Jacques-Alexandre-César
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Isaac Newton
Isaac Newton
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Alan Turing
Alan Turing
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William Oughtred, watercolour by George Perfect Harding after an engraving by Wenceslaus Hollar, 1644; in the National Portrait Gallery, London.
William Oughtred
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British scientist Tim Berners-Lee in 2014, wearing a light blue shirt and dark jacket, shown from the shoulders up against a blurred background.
Tim Berners-Lee
British computer scientist
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John Frederic Daniell, undated engraving
John Frederic Daniell
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James Dewar
Sir James Dewar
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Nicholson, William
William Nicholson
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