John Bowker is an Emeritus Professor at Gresham College, London. He has also been a Fellow and Dean of Trinity College, Cambridge, and Professor of Religious Studies at the universities of Lancaster, Pennsylvania, and North Carolina State. He is the author or editor of more than forty books, including Problems of Suffering in Religions of the World; The Meanings of Death (winner of the HarperCollins Book Prize, 1993); Is God a Virus? Genes, Culture and Religion; The Oxford Dictionary of World Religions; God: A Brief History; Beliefs that Changed the World and Knowing the Unknowable: Science and Religions on God and the Universe.