After the American Civil War, while bodies still littered battlefields, the movement known as Spiritualism began to sweep across America as thousands of people, mostly from shock and grief, tried to make contact with the recently departed. The movement captivated Europe as well, especially England in the aftermath of the Great War and Great Influenza Epidemic. Prominent figures such as Charles Dickens, W.B. Yeats, and Queen Victoria were mesmerized. The movement's most famous spokesman was Sir Arthur Conan Doyle.
Known to the world as the creator of Sherlock Holmes, Doyle underwent what many people at the time considered an enigmatic transformation, turning his back on the hyper-rational Holmes and plunging into the supernatural. What was it that convinced a brilliant man like Doyle, the creator of the great exemplar of cold, objective thought, that there was a reality beyond the reality? Why did professors, philosophers, statesmen and men of science like the great...