John Napier
1 February 1550 — 4 April 1617
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. Napier is best known as the discoverer of logarithms. He also invented the Napier's bones calculating device and popularised the use of the decimal point in arithmetic.
A memorial on Digital Cemetery, an endless map you can explore. This grave stands at coordinates 14, 2.