Charles S. Singleton (1909–1985) was professor of humanistic studies at Johns Hopkins University and a world-renowned scholar of medieval literature. Simone Marchesi is professor of French and Italian at Princeton University. His books include Dante and Augustine: Linguistics, Poetics, Hermeneutics. Roberto Abbiati is an artist, actor, and book designer. His books include illustrated editions of Herman Melville’s Moby-Dick and Jules Verne’s Twenty Thousand Leagues under the Seas.