"Or just see ~
Brunelleschi and the Origin of Linear Perspective ...

'Sixteenth-century renaissance artists
Like Leonardo

da Vinci and Michelangelo Buonarotti
Were able to clearly recreate the three ~ dimensional physical reality
Of the human form on two-dimensional surfaces.'

A vanishing point ..."
~ Etude

http://www.kap.pdx.edu/trow/winter01/perspective/