One of the mysteries of the English language finally explained.

### proper noun

(c.287–212 BC), Greek mathematician and inventor, of Syracuse. He is famous for his discovery of Archimedes' principle (legend has it that he made this discovery while taking a bath, and ran through the streets shouting ‘Eureka!’); among his mathematical discoveries are the ratio of the radius of a circle to its circumference, and formulas for the surface area and volume of a sphere and of a cylinder.