John Napier - primatologist - died on 1987-08-29.
John Napier - primatologist - was born in 1917.
John Napier Burnett died in 1989.
sweeping
in 1614 john Napier invented logarithms and a device called NAPIER,s bones
April 4 1617 at Edinburgh, Scotland
John Napier Burnett was born in 1899.
John Napier invented the Napier's Bone
John Napier's calculating machine invention is called "Napier's Bones."
scottland
John Napier
John Napier is best known for discovering logarithms. He also invented Napier's bones. John Napier was a famous Mathematician that was born in 1550 and passed away in 1617.
In 1614, John Napier published his invention of logarithms.