Sir Arthur Conan Doyle didn't create the legendary detective out of thin air: he used a French criminal expert and famous police investigator as the model for Holmes. watch
Holmes proves that crime can be commited by anyone. He is one of the first to expain that criminal behavior is not just for the poor and lower classes, but that the privileged are just as capable of evil. watch
Using early scientifc experiments and deductive reasoning, Holmes becomes the world's first forsenic scientist. watch