Their names are James Strole, Bernadeane, Aubrey de Grey, Miroslav Radmann, Frédéric Saldman, Mark Zuckerberg or even Serguei Brin, they are billionaires, eminent professors or simple preachers. They live in Arizona, on the shores of the Mediterranean in Croatia, in London or Paris. They all have the same obsession, the same conviction: for them, immortality is a reality!