Written and delivered by Mark Steel, lecture presents persuasive, yet witty, arguments for the importance of Descartes.  This episode discusses Descartes daughter who dies when she is five and he becomes devastated.  He starts to write “the Meditations,” which is a theory of the universe.  Video does not show historical pictures, it uses current background and people to help with the lecturers ideas.  Presenter has a heavy English accent, which is sometimes hard to understand.  Video is good quality and is appropriate for high school students.