In this engaging discussion, Richard F. Hassing, a Research Associate Professor at the Catholic University of America, delves into the fascinating evolution of light. He contrasts Aristotle's holistic view of perception with Descartes' ideas on sensation, revealing deep implications for the mind-body relationship. Hassing also explains the brain's role in color perception, emphasizing light's intricacies beyond mere object properties. His exploration spans from early philosophies to Einstein's relativity, showcasing light's profound impact on our understanding of the universe.