This site explores linear perspective and how it was first used in the early 15th-Century. Discusses horizon line, vanishing point, and orthogonal lines. The site provides an example.

With this lesson plan students will create a chalk drawing of an outdoor scene from a bird's-eye view. Lesson includes links to perspective drawing techniques and examples.

This University of St. Andrews page offers an excellent biography on Brook Taylor, an English mathematician and physicist (1685-1731.) Discusses his life and his contributions to these academic fields.

Contains a definition of the word, vanishing point.