John Napier Burnett died in 1989.
John Napier - primatologist - died on 1987-08-29.
April 4 1617, Edinburgh, Scotland
in 1614 john Napier invented logarithms and a device called NAPIER,s bones
John Napier's calculating machine invention is called "Napier's Bones."
April 4 1617 at Edinburgh, Scotland
John Napier invented the Napier's Bone
John Napier - primatologist - was born in 1917.
John Napier Burnett was born in 1899.
In 1614, John Napier published his invention of logarithms.