“Watson, for some time now I have had cause to believe in the improbable-the existence of a mind so exceptional, so well- trained in the sciences and the doctrine of criminology as to be Master of the Arts.’ The suggestion was fantastic!. ‘A Professor of crime?.’ - Holmes to Watson, Sherlock Holmes and the Whitechapel Murders” Sherlock HolmesJack The RipperSherlockWhitechapelJack The Ripper Whitechapel Book:Sherlock Holmes and The Whitechapel Murders: An account of the matter by John Watson M.D. Source: Sherlock Holmes and The Whitechapel Murders: An account of the matter by John Watson M.D.