Religio Medici (The Religion of a Doctor) sets out Sir Thomas Browne's spiritual testament as well as being an early psychological self-portrait. In its day, the book was a European best-seller. It was published in 1643 by the newly-qualified physician, and its unorthodox views placed it swiftly upon the Papal Index Librorum Prohibitorum in 1645. Although predominantly concerned with Christian faith, the Religio also meanders into digressions upon alchemy, hermetic philosophy, astrology, and physiognomy...