What are the attributes which combine to make a person a world-famous legend? His achievements must surely be unforgettable and remarkable. He must be a brilliant and credible character whom people can believe in. He must be ageless in so far as dates of birth and death become irrelevant. He must enjoy everlasting fame.

Unforgettable. Brilliant. Ageless. Immortal. Can all these qualities be attributed to Sherlock Holmes? Undoubtedly!