Immanuel Kant taught and wrote prolifically about physical geography yet never traveled further than forty miles from his home in Knigsberg. How appropriate it is then that in his philosophy he should deny that all knowledge was derived from experience. Kants aim was to restore metaphysics. He insisted that all experience must conform to knowledge. According to Kant, space and time are subjective; along with various categories, they help us to see the phenomena of the worldthough never its true reality.

Paul Strathern earned a degree in philosophy at Trinity College, Dublin, and has lectured in philosophy and mathematics. A Somerset Maugham prize winner, he has written books on history, philosophy, and travel as well as five novels. His articles have appeared in numerous publications, including the Observer (London) and the Irish Times. He lives and writes in London.

Earphones Awards recipient Robert Whitfield was born in England and worked for the BBC for ten years as a radio news announcer and also worked as a narrator for the Royal National Institute for the Blind in London. In addition to narrating for Blackstone Audiobooks, he involves himself in numerous stage-acting projects in the United States and Europe.