Engraving (by Charles Laplante) shows future Macedonia king Alexander the Great (Alexander III of Macedon, (356 - 323 BC) (left) as he listens to his tutor, Greek mathematician and inventor Archimedes (c.287 - 212 BC), c.340 BC. The illustration is from the 1866 book 'Vies des Savants Illustres,' by Louis Figuier. (Photo by Stock Montage/Getty Images)
