I believe, in addition to being an excellently humourous and clever author and a physician, he played in goal for Portsmouth F.C..
My favourite Conan Doyle is The Lost World. One of the funniest and most exhilarating adventures I've ever read. There was a fantastic Pixar film released fairly recently (called Up!) which featured the same location, I think (in Venezeula), as that which inspired Sir Arthur.