Everyone knows about the celebrated discoveries in physical medicine, yet few people can name a single discovery in psychiatry. This book fills the gap by recounting the paths taken to fifteen breakthroughs in psychiatry. Told here are stories of how an Australian psychiatrist single-handedly discovered an effective medication for mania and why it was never patented; what an eighteenth century physician found beneath the skull of patients residing at a hospital where the infamous Marquis de Sade staged plays; the eery X-rays that revealed the first biomarker for schizophrenia; how magnetic resonance imaging detects damaged nerve bundles by tracking water molecules in the brain; what a pig slaughterhouse contributed to the treatment of depression. And much more. Taken in their entirety, the chapters cover all or most of the major topics in psychiatry, namely care and treatment, diagnostics, biomarkers, and neuroscience. They follow a rough chronological order beginning around the year 1800 and continuing right through to the present. Deeply researched and fully referenced, the language is non-technical. Sixty-six illustrations accompany the text. This book will help people understand where psychiatry has come from and where it is likely headed.