The Golden Ratio has fascinated mathematicians since the time of the Pharaohs. It is a mathematical constant (1.61803) that is found repeatedly in nature and has been used by artisans for generations to create art and structure with pleasing proportions. Stradivarius applied the Golden Ratio to define the location of the "f-holes" and proportions of his masterwork violins. Click here to learn more about the Golden Ratio.