Dude! Dude! Check it out:
Yup, that is actual video of the actual Arthur Conan Doyle discussing how he came to create the Sherlock Holmes stories. We know that Doyle died in 1930, so the idea of him being captured on film isn’t impossible—and as a certain someone would say, when you’ve eliminated the impossible, whatever remains, however improbable, must be the truth. But man, sometimes the truth is so cool.