Mathematics
John Napier
Mathematician, inventor of logarithms
Born 1550 · Died 1617
Photo: Unknown authorUnknown author · Public domain
John Napier invented logarithms, which turn multiplication into addition and made complex calculation practical for the first time. Astronomers said it doubled the working life of a mathematician.
Key achievements
- Invented logarithms, published 1614
- Created Napier's bones, a calculating device used for centuries
- Popularised the modern decimal point
Universities
St Andrews, Fife, Scotland
Entered St Salvator's College at thirteen in 1563 and left without taking a degree, continuing his studies abroad.
Facts
- He also invented a calculating device of numbered rods known as Napier's bones, which was used for centuries.
- He popularised the decimal point in its modern use in his work on logarithms.
- Locals suspected him of sorcery because he kept a black cockerel and performed experiments at night.
Photographs
Photographs come from Wikimedia Commons under free licences; the author and licence are shown on each image.