Aristotle wrote on everything from the shape of seashells to sterility, from speculations on the nature of the soul to meteorology, poetry, art, and even the interpretation of dreams. Apart from mathematics, he transformed every field of knowledge that he touched. Above all, Aristotle is credited with the founding of logic. When he first divided human knowledge into separate categories, he enabled our understanding of the world to develop in a systematic fashion.

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.