Mattson traces his interest in aging back to his ninth-grade classroom. Asked then to write an essay on a scientific topic of his choice, he picked cryopreservation—the futuristic concept that humans can be resurrected after being suspended in the deep freeze for years. “I was grabbed with the idea of putting aging on hold,” he now says.
From the author profile:
The question is, does he post on Less Wrong?
Mail him and ask?