 As a student of Paris, Hennon was heavily influenced by William of Ockham and Roger Bacon.He wrote a Latin commentary on the "Physics" of Aristotle, the "Commentarii in Aristotelis libros Physicorum", which was completed on 1 October 1473 if a seventeenth-century source is to be believed.Examining the state of science in the late Middle Ages, physicist, historian, and philosopher Pierre Duhem, in "Le système du monde", isolates Hennon's account of the vacuum and a plurality of worlds.