Volume 21 (=386 pages) is in honor of James Lovelock (1919-2022). Please note that most of the chapter contributions do not mention James Lovelock, but a few do. The chapters (by professional philosophers and other scholars and professionals) are directed to issues related to death, life extension, and anti-death, broadly construed. The contributions consist of relevant reprints as well as scholarship unique to this volume. As was the case with all previous volumes in the Death And Anti-Death Series By Ria University Press, the anthology includes an Abstracts section that serves as an extended table of contents. There are 15 chapters, as follows: CHAPTER ONE Laughing At Death: Police Officers, Cruelty, Philosophers, And Humour (Giorgio Baruchello and ?rs?ll M?r Arnarsson) pages27-54; CHAPTER TWO Lovelock's Novacene: Meditations On Personhood For Intelligent Machines By A Scholar, Artist, And Executive (Marvin Cheung) pages55-74; CHAPTER THREE Examining Realities Of Life, Death And Eternal Living (Tor Claussen) pages75-118; CHAPTER FOUR Artificial General Intelligence Issues And Opportunities (Jerome C. Glenn) pages119-136; CHAPTER FIVE Gaia Theory - Reflections On Life In The Universe (William Grey) pages137-172; CHAPTER SIX Between Life And Death: Exploring Cryonics And Grief (Robin Hillenbrink) pages173-204; CHAPTER SEVEN Address Before The 18th General Assembly Of The United Nations -- 20 September 1963 (John F. Kennedy) pages205-216; CHAPTER EIGHT How Universities Have Betrayed Reason And Humanity-And What's To Be Done About It (Nicholas Maxwell) pages217-254; CHAPTER NINE The Life And Death Of Habitable Worlds (J. N. Nielsen) pages255-274; CHAPTER TEN Anti-Death And A Heart-Centric Approach To Cryonics: Lessons From The Neuroscience Of Grief (Nikki Olson) pages275-290; CHAPTER ELEVEN First-Edition Book Foreword -- 1 January 1987 (Gerard K. O'Neill) pages291-294; CHAPTER TWELVE Blockchain Of Life: Some Thoughts On A Possible Future Resurrection Project (R. Michael Perry) pages295-310; CHAPTER THIRTEEN Speculative Inquiry Into Enhanced Humans And Future AIs (Charles Tandy) pages311-330; CHAPTER FOURTEEN The Coming Technological Singularity: How To Survive In The Post-Human Era (Vernor Vinge) pages331-350; CHAPTER FIFTEEN Matters Of Life And Death: Reflections On The Philosophy And Biology Of Human Cryopreservation (Brian Wowk) pages351-386.