One of the most fascinating men of his generation, W.H.R. Rivers was a British doctor and psychiatrist as well as a leading ethnologist. Immortalized as the hero of Pat Barker's award-winning Regeneration trilogy, Rivers was the clinician who, in the First World War, cared for the poet Siegfried Sassoon and other infantry officers injured on the western front. His researches into the borders of psychiatry, medicine and religion made him a prominent...