Sion CowellSiôn Cowell, President of The British Teilhard Association, is author of The Teilhard Lexicon ("Provides great assistance in deciphering Teilhard's terminology and interpreting his thought. Extremely friendly to the user," Choice), and has been involed with Teilhardian studies for more than 30 years. He is currently working towards his doctorate on Teilhard and the Greek Fathers. Read More Read Less