Dr. Lejeune’s Timeless Wisdom The 4 part 1993 lecture series with Professor Jérôme Lejeune. Part 1: The Origin of Man: Jérôme LejeuneYour browser does not support the audio element. PDF LecturePart 2: Physiology of Human Intelligence: Jérôme LejeuneYour browser does not support the audio element. PDF LecturePart 3: Natural Morality & Sexual Behavior: Jérôme LejeuneYour browser does not support the audio element. PDF LecturePart 4: Biological Happening or a Future for Mankind: Jérôme LejeuneYour browser does not support the audio element. PDF Lecture