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mathematician with a Ph.D. in 1978 at the age of 23 on [https://en.wikipedia.org/wiki/Algebraic_topology algebraic topology] <ref>[[John Nunn]] ('''1978'''). ''[http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.467333 Some Problems in Algebraic Topology]''. Ph.D. thesis, [https://en.wikipedia.org/wiki/University_of_Oxford University of Oxford], supervisor [[Mathematician#JRHubbuck|John R. Hubbuck]]</ref>, and polymath.
He has been involved in [https://en.wikipedia.org/wiki/Information_extraction information extraction] and [https://en.wikipedia.org/wiki/Data_mining data mining] from [[Endgame Tablebases|endgame tablebases]], as lectured at the [[Advances in Computer Chess 7]] conference <ref>[[John Nunn]] ('''1994'''). ''Extracting Information from Endgame Databases''. [[Advances in Computer Chess 7]]</ref> and published in the [[ICGA Journal#16_4|ICCA Journal]] <ref>[[John Nunn]] ('''1993'''). ''Extracting Information from Endgame Databases''. [[ICGA Journal#16_4|ICCA Journal, Vol. 16, No. 4]]</ref>.
Concerning computer chess, John Nunn served as [[:Category:Tournament Director|tournament director]] at the [[European MCC 1983|4th European MCC 1983]],and played against chess programs at four [[Aegon Tournaments]], [[Aegon 1992|1992]], [[Aegon 1993|1993]] (tied with winner [[David Bronstein]]), [[Aegon 1994|1994]] (tied with winner [https://en.wikipedia.org/wiki/Larry_Christiansen Larry Christiansen]), and [[Aegon 1995|1995]]. His 10 and later 20 opening proposals as published by [[Computerschach und Spiele]] were used in [[Engine Testing|engine testing]] and matches <ref>[https://www.stmintz.com/ccc/index.php?id=460363 Nunn openings] by [[Jouni Uski]], [[CCC]], November 07, 2005</ref>.
In 2013 <ref>[[John Nunn]] ('''2013'''). ''Discoveries in R+2P vs. R+P Endings''. [[ICGA Journal#36_3|ICGA Journal, Vol. 36, No. 3]]</ref>, Nunn applied the 7-piece [[Lomonosov Tablebases]] to R+2P vs. R+P positions from the famous book ''Rook Endings'', 2nd edition, by [https://en.wikipedia.org/wiki/Grigory_Levenfish Levenfish] and [https://en.wikipedia.org/wiki/Vasily_Smyslov Smyslov] <ref>[https://en.wikipedia.org/wiki/Grigory_Levenfish Grigory Levenfish] and [https://en.wikipedia.org/wiki/Vasily_Smyslov Vasily Smyslov] ('''1971, 1989'''). ''[http://books.google.com/books/about/Rook_endings.html?id=IlgYAQAAMAAJ&redir_esc=y Rook Endings]''. [https://en.wikipedia.org/wiki/Pavilion_Books Batsford]</ref>, which was assumed to contain the truth and, owing to Nunn, this is no longer so.
