Henry Briggs (mathematician)
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Henry Briggs was an English mathematician notable for changing the original logarithms invented by John Napier into common logarithms, which are sometimes known as Briggsian logarithms in his honour. The specific algorithm for long division in modern use was introduced by Briggs c. 1600 AD.
Henry Briggs (mathematician)
A page from Henry Briggs' 1617 Logarithmorum Chilias Prima showing the base-10 (common) logarithm of the integers 0 to 67 to fourteen decimal places.
Canon logarithmorum
Moon crater named after Briggs
John Napier
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John Napier of Merchiston, nicknamed Marvellous Merchiston, was a Scottish landowner known as a mathematician, physicist, and astronomer. He was the 8th Laird of Merchiston. His Latinized name was Ioannes Neper.
John Napier (1550–1617)
Statue of John Napier, Scottish National Portrait Gallery
Merchiston Castle from an 1834 woodcut
Memorial to John Napier in St Cuthbert's Church, Edinburgh