The tech millionaire Bryan Johnson is one of the most fascinating and perplexing people today. People admire and doubt his abilities all at the same time. Johnson founded Braintree and led the company to a $800 million sale to PayPal. He is rich, creative, and naturally interested, all typical Silicon Valley success traits. People are interested in him not because of his money but because of his radical quest for immortality, which blurs the lines between health, vanity, and existential questions.

At the heart of this quest is Project Blueprint, a carefully planned schedule that aims to slow down or even stop the march of time. John Son’s mission seeks to redefine the limits of human existence itself, going beyond mere longevity. This project has an annual budget of more than $2 million, making it both a personal and a financial effort. It also reflects a commitment that demands a lot...