Describes the life and work of this Scottish mathematician who invented logarithms and published on math and theology.

Briefly overviews Napier's invention of Napier's Bones to ease calculations and how logarithms helped Oughtred invent the slide rule.

Remembered for his invention of logarithms, Napier is one of the few Scottish mathematicians well-known during the Renaissance.

Describes and depicts the engraved wooden rods that serve to aid in multiplication invented by John Napier and called Napier's Bones.

Inventor of logarithms foresaw the arrival of the machine gun, tank and submarine. Of course, he also predicted the end of the world by 1700.