Who is Archimedes and why is he so important?

Archimedes is the most famous mathematician and inventor from Greece. He is important because he discovered the relation between the surface and volume of a sphere and its circumscribing cylinder.

Who Archimedes is:

DescriptionArchimedes of Syracuse was a Greek mathematician, physicist, engineer, inventor, and astronomer. Although few details of his life are known, he is regarded as one of the leading scientists in classical antiquity.

Why he's important:

Archimedes is especially important for his discovery of the relation between the surface and volume of a sphere and its circumscribing cylinder.