This book explores the presence of Galen of Pergamon (129 – c. 216 AD) in early modern philosophy, science, and medicine. After a short revival due to the humanistic rediscovery of his works, the influence of the great ancient physician on Western thought seemed to decline rapidly as new discoveries made his anatomy, physiology, and therapeutics more and more obsolete. In fact, even though Galenism was gradually dismissed as a system, several of his ideas spread through the modern world and left their mark on natural philosophy, rational theology, teleology, physiology, biology, botany, and...