One of the least credible theories regarding the identity of Jack the Ripper insists the serial killer was Arthur Conan Doyle, who was a practicing physician prior to gaining wider fame as the creator of Sherlock Holmes with the publication of “A Study in Scarlet” in 1887. There is no evidence – not even the most frayed wisp of preposterous circumstance – to place Conan Doyle in Whitechapel at the time of the killings, let alone providing him with a motive for the crimes.
