When he wrote “The Religious Nature of Scientology,” Geoffrey Parrinder was Professor of the Comparative Study of Religions at the University of London. He is now Professor Emeritus of Comparative Study of Religions. He is also a Fellow of Kings College, London, and a Methodist Minister for 60 years. He is the author of more than 40 books on world religions with translations in 12 languages. He has edited an encyclopedia and dictionary on the world’s religions.