The Nuttall Encyclopedia
Laird of Merchiston, mathematician, born in Merchiston Castle, near Edin burgh; famed over the world as the inventor of logarithms; wrote a book on the Apocalypse, which contains some plain-spoken counsel to King James; believed in astrology, and was addicted to divination as well as mechanical invention (1550-1617).
Wood, James, ed. Entry for 'Napier, John'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/n/napier-john.html. Frederick Warne & Co Ltd. London. 1900.