The Matter of the Heart - Dr.Edward T. Creagan, Professor and Oncology Doctor at the Mayo Clinic College of Medicine in Minnesota. He was the Past President of the Mayo Clinic Faculty. Dr. Creagan has written approximately 80 medical publications ranging from malignant melanoma in the 21st Century to schizophrenia. He is the author of Farewell - Vital End of Life Questions with Candid Answers from a Leading Palliative and Hospice Physician - Perseverance and Tenacity - How to Physically, Emotionally and Spiritually Go Forward Despite Any Setback or Limitation