Hemingway’s mustache was like his prose: straightforward, spare, and bold. (via 15 of the Greatest Literary Mustaches)
Have a look at the article, it features the brave and the bold in literature - Vonnegut, Shakespeare, Flaubert, Mark Twain, Faulkner, Nietzsche, Sir Arthur Doyle, Tolstoy, Orwel, Gabriel García Márquez, and Rushdie (who was denied entrance to the famous Jaipur Lit Show recently)