Footnoting History

(Lucy) Sherlock Holmes is not only the world's only private consulting detective, he's also arguably the world's longest-running pop culture phenomenon. Pastiches, parodies, and fanfic have multiplied from the 1890s onwards. Holmes films have been around almost as long as the technology itself. This week, we look at some of the factors in the great detective's immense--and immensely versatile--presence in pop culture beyond the canon.