Got me wondering about a charity that signs up important (mostly in the sense of being interesting) people for cryonics: the charity would work on convincing them and covering the cost.
Many important people have been offered no-cost cryopreservation and rejected it, the most relevant of which is the sci-fi author who had written books about cryopreservation.
From Mike Darwn's Chronopause, an essay titled "Would You Like Another Plate of This?", discussing people's attitudes to life:
Conclusion, graphs, and references in article. As usual, I recommend reading Chronopause.com as Darwin has many good articles; to quickly link a few: