Francis Wheen Sherlock Quotations

It occurred to me the other day that Arthur Conan Doyle invented Sherlock Holmes, one of the great fictional embodiments of the rational deductive method - finding evidence, observation and all the rest of it. Conan Doyle himself was, however, a keen spiritualist, especially in later life, when he also fell for these ridiculous hoax photos of fairies at the bottom of the garden.