The figure of the alchemical Mercurius features ubiquitously and radically in Jung's later works, but despite this, there has been little research concerning Mercurius in Jungian studies to date. In this book, Mathew Mather explores the figure of the alchemical Mercurius and contextualises and clarifies its significance in Jung's life and works. Placing the alchemical Mercurius as a central concern reveals a Jungian interpretation in which the grail legend, alchemy and precessional astrology, as three thematic threads, converge. In such a treatment, Jung's belief in the dawning of a new...