David Crystal

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https://en.wikipedia.org/wiki/David_Crystal

Crystal has authored, co-authored, and edited over 120 books on a wide variety of subjects, specialising among other things in editing reference works, including (as author) the Cambridge Encyclopedia of Language (1987, 1997, 2010) and the Cambridge Encyclopedia of the English Language (1995, 2003), and (as editor) the Cambridge Biographical Dictionary, the Cambridge Factfinder, the Cambridge Encyclopedia, and the New Penguin Encyclopedia (2003).[