In late 1914, Charlie Chaplin's name first began appearing on marquees. By the end of the following year, moviegoers couldn't get enough of him and his iconic persona, the Little Tramp. Perpetually outfitted with baggy pants, a limp cane, and a dusty bowler hat, the character became so beloved that Chaplin was mobbed by fans, journalists, and critics at every turn. Although he never particularly liked giving interviews, he accepted the demands of...