"Ancient Greek Philosopher-Scientists" delves into the lives and thoughts of the Pre-Socratic philosophers who pioneered rational inquiry into the natural world, stepping away from traditional religious explanations. This collection presents the surviving fragments of their works, along with quotations and testimonials from later authors, highlighting their foundational role in the development of philosophy and science. Their quest for knowledge and understanding of the universe resonates today, reminding us of the importance of inquiry and reason in our pursuit of truth. By exploring these early thinkers, listeners can appreciate the enduring legacy of critical thought that continues to shape our understanding of the world.