In the summer of 1925, The New Yorker was struggling to survive its first year in print. They took a chance on a young, indecorous cartoonist who was about to give up his career as an artist. His name was Peter Arno, and his witty social commentary, blush-inducing content, and compositional mastery brought a cosmopolitan edge to the magazine’s pages—a vitality that would soon cement The New Yorker as one of the world’s most celebrated publications.