John Dee's Conversations with Angels: Cabala, Alchemy, and the End of NatureElizabethan England's most famous natural philosopher John Dee recorded his reflections on the natural world, the practice of natural philosophy, and the apocalypse in a series of conversations with angels, which have long been an enigmatic facet of his life and work. This book makes extensive use of Dee's library and annotations to clarify this mystery by providing a detailed analysis of these conversations. Professor Harkness contextualizes Dee's