Not looking a day older than when he ended his career, Sherlock Holmes celebrated his centennial last week, as well as his 133rd birthday. Confused? It's elementary. Back in 1887, Sir Arthur Conan Doyle published A Study in Scarlet, the first of 60 works to feature the world-famous detective. Sherlockians figure Holmes was 33 when the story was published. They have also divined that Jan. 6 was his birthday. That conveniently provided Holmes' exact age -- and a date to launch centennial celebrations this year on four continents.
In Britain, festivities scheduled by the 800-member Sherlock Holmes Society include a re-enactment...