It is one of the most famous – and mystifying – drawings in human history. Leonardo da Vinci’s Vitruvian Man was the attempt ...

You know the Vitruvian Man. He’s perhaps second only to the Mona Lisa in terms of iconic imagery in Western history: a notebook sketch of a man in two positions, one standing straight and the other ...

This geometric figure — first identified by dentist William Bonwill in 1864 — is formed by connecting the two points where ...