General Introduction to the Critical Edition; Editorial Principles to the Critical Edition; Acknowledgements for the Critical Edition; Chronology for Alfred North Whitehead and his Published Works; INTRODUCTION to Volume One: “Philosophical Presuppositions of Science”: EMERSON HALL LECTURES: 1924-1925: First Semester: Phil 3b Lectures: Lecture 1 - 42 transcriptions of Bell & Hocking notes; Second Semester: Phil 3b Lectures: Lecture 43 - 85 transcriptions of Bell & Hocking notes; RADCLIFFE LECTURES: 1924-1925: First Semester: Phil 3b Lectures: Lectures 1 – 42 transcriptions of Heath notes; Second Semester: Phil 3b Lectures: Lectures 43 – 84 transcriptions of Heath notes; GRADUATE SEMINARY IN METAPHYSICS, Phil 20h: October transcriptions of Hocking notes; APPENDIX Sample scans of original handwritten notes; INDEX.