The Thomistic Institute

Prof. Catherine Peters addresses the philosophical question of deriving moral ought from descriptive is, arguing from a Thomistic natural law perspective that the essence of human nature grounds objective moral norms, bridging fact and value through teleology and reason.This lecture was given on May 30th, 2025, at Mount Saint Mary College.For more information on upcoming events, visit us at thomisticinstitute.org/upcoming-events.About the Speakers:Catherine Peters is an associate professor of medieval philosophy at Loyola Marymount University in Los Angeles, California. Her work centers on issues of philosophical anthropology, metaphysics, and natural theology. She is passionate about translating medieval thought into modern terms and applying its insights to perennial questions such as “Who am I?” “What should I do?” and “Is there a God?” A frequent presenter in both the United States and Europe, her scholarship has been published in numerous volumes and journals, including The Thomist, New Blackfriars, Nati