[Retros] Raymond Smullyan

werner molware at xs4all.nl
Mon Feb 6 23:05:21 EST 2017

That's awfully bad news. But he was already over 90 years old. Anyway,
thanks for letting me know, even though I am in shock because of this.

On di, 2017-02-07 at 03:41 +0000, andrew buchanan wrote:
> Dear retro friends,
> I have received second-hand information that the logician and
> musician Raymond Smullyan passed away peacefully last night after a
> stroke.
> Amongst many other books of logic puzzles, he was the author of the
> very well-written "Chess Mysteries of Sherlock Holmes", which remains
> the most common way for most chess players to have encountered chess
> retrograde analysis.
> All the best,
> Andrew
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