Mark Twain, the father of American Literature, captured the limelight of his age in a way that no writer has since. The stories that surround him are the stuff of myths and legends. His influence as America’s greatest “funnyman” has lasted for over a century. Twain’s relationships are just as interesting as Twain himself. From presidents to inventors, Twain brushed shoulders with many of history’s giants. Today, we explore some of Twain's many famous friendships.