Nicola Polloni is an Associate Professor of Medieval Philosophy at the University of Messina, in Italy. His research delves into medieval hylomorphism, focusing on the tensions arising from the intertwining of metaphysics and natural philosophy.

Sylvain Roudaut is a Research Fellow at KU Leuven in Belgium. His research focuses on the interaction between metaphysics, natural philosophy, and mathematics in the Middle Ages.

Chapter 1:Nicola Polloni and Sylvain Roudaut- Hylomorphism into Pieces? Introductory Remarks.- Chapter 2: Aurélien Robert- Atoms, Minima and Points: Democritean Corpuscularism in the 13th Century.- Chapter 3: Roberto Zambiasi - The 'No-Frills' Doctrine of Minima naturalia in the Latin Middle Ages and in the Renaissance: A First Exploration.- Chapter 4: Henrik Lagerlund - The Changing View of Successive Entities in the 14th Century: Peter of Mantua on Matter and Form.- Chapter 5: Claire Murphy - Unity out of Multiplicity: Nicholas of Cusa's Theory of the Elements.- Chapter 6: Luca Burzelli - Pietro Pomponazzi and the Debate on the Four Elements.- Chapter 7: Sylvain Roudaut - Points of Form and Other Minima: Hylomorphism and Indivisibles in the Circle of John Mair.- Chapter 8: Russell Friedman - Late Scholastic Thomism into Pieces: Hylomorphism and Indeterminate Dimensions in Domingo Báñez's Commentary on De generatione et corruptione.- Chapter 9: Nicola Polloni - Francisco de Toledo on Elemental Mixtures.- Chapter 10: Fabrizio Bigotti - Prime Matter is Three-Dimensionality: The Debate on the Extension of Prime Matter from Zabarella to Galileo.- Chapter 11:Hiro Hirai- Jacob Schegk, Simplicius and "Anaxagoras the Atomist": Aristotelian Commentaries and Renaissance Corpuscularism.- Chapter 12:Erik Åkerlund - Rodrigo de Arriaga's Substance Trialism.