Who discovered the Vanishing Point Perspective in Art?

Check out Albrecht Dürer

http://www.ibiblio.org/wm/paint/auth/durer/

Hard to say who "discovered" it, but Durer is sure early, and he clearly understood mathematics, too.

Neat example of his perspective work here

http://mathforum.org/sum95/math_and/perspective/perspect.html Another answer: Brunelleschi discovered it abot 1415.