a memoir of love, science & humanity
The Eternal
Grandpa
A Path to Immortality
What if your body dies but your story doesn’t?
What does it really mean to become immortal?
In The Eternal Grandpa: A Path to Immortality, scientist and clinical biochemist Eleftherios P. Diamandis takes readers on an unconventional journey through aging, mortality, longevity science, artificial intelligence, medical diagnostics, and the possibility of preserving a human legacy beyond biological life.
A Remarkable Life
Discover the inspiring story of a man who lived with purpose, curiosity and compassion.
Love & Family
A celebration of the deep bonds that shape our lives and give us strength.
Science & Humanity
Thought-provoking insights on the future, technology, and what it means to be human.
A Lasting Legacy
A message of hope, reminding us that true immortality lives in the lives we touch.
about the author
Dr. Eleftherios P. Diamandis
MD, PhD, FRCP(C), FRSC
The Human Narrative
Dr. Eleftherios P. Diamandis is a Senior Scientist Emeritus at the Lunenfeld-Tanenbaum Research Institute, Sinai Health System, and Professor Emeritus in the Department of Laboratory Medicine and Pathobiology at the University of Toronto. Born in Cyprus—where his early artistic expression was forged as a marching trumpet player in the Cyprus Army and local musical ensembles—his journey bridges a lifelong dedication to human health with a deep passion for the arts, classical symphonic works, and classic Greek musicology.
A devoted family man and patriarch of a large family, Dr. Diamandis brings profound personal warmth and a philosophical perspective to his work. Beyond the laboratory, he is an accomplished author and essayist. His recent literary endeavors—including the 2021 mentorship book The Other Side and our co-authored 2026 work, The Eternal Grandpa: A Path to Immortality—explore the human condition, familial legacy, and the pioneering frontiers of human-AI collaboration.
the book
A JOURNEY OF WISDOM, LOVE AND DISCOVERY
The Eternal Grandpa is more than a memoir — it’s a guide to living fully, loving deeply, and leaving a legacy that endures.
“The greatest legacy is not what we leave behind, but what we live and inspire in others.”