Mark Twain, Charlie Chaplin, Sir Arthur Conan Doyle -- we all know them as important people, and we remember them from the classic monochrome portraits gracing our textbooks (and also some websites). So, seeing some of their first or only color photos is nothing short of amazing. Take a look at some shared by Flavorwire after the jump!
On this day, 154 years ago, the famed Scottish author behind some of the most popular and enduring works of literature was born. Let's take a look back at the life and works of Sir Arthur Conan Doyle in this installment of Today in History.