The ultra-wealthy are investing in cryogenic freezing, preserving their bodies at ultra-low temperatures with the hope that future science will bring them back to life. Around 500 people have already been cryogenically preserved and another 5,500 people are making plans to do so. But what is it? How does it work?
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What is Cryogenic Freezing
According to the BBC, the foundation of cryogenics was laid by French biologist Jean Rostand in the 1940s. However, the concept of cryogenic freezing as a path to potential immortality was first proposed by Robert Ettinger in his 1962 book, The Prospect of Immortality. Ettinger, a physics teacher and war veteran, drew inspiration from Rostand’s work and the imaginative worlds of science fiction.
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