That is indeed a very thorough and interesting biography.  I thought
this passage was especially telling with regard to the philosophical
implications of the MWI (from the page on Keith Lynch recollections):

> ... Everett firmly believed that his
> many-worlds theory guaranteed him immortality: His consciousness, he
> argued, is bound at each branching to follow whatever path does not
> lead to death - and so on ad infinitum. (Sadly, Everett's daughter Liz,
> in her later suicide note, said she was going to a parallel universe to
> be with her father. [149a])

(The footnote is an attribution to a personal letter to the biography's
author from Glenn Fishbine.)

On the everything-list we have had many discussions of this thesis, which
we call Quantum Immortality, and the related idea of Quantum Suicide
similar to that practiced by Lynch's daughter.  It is indeed disturbing
to see that someone has actually practiced Quantum Suicide, especially
when the particular method used seems unlikely to be successful even
with the assumption of Quantum Immortality.

Hal Finney

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