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'''Richard Kenneth Guy''', (September 30, 1916- March 9, 2020)<br/>was a British Canadian mathematician, and Professor Emeritus in the Department of Mathematics at the [https://en.wikipedia.org/wiki/University_of_Calgary University of Calgary]. His research interests include included [https://en.wikipedia.org/wiki/Combinatorial_game_theory combinatorial games] <ref>[[Richard J. Nowakowski]] ('''2009'''). ''The History of Combinatorial Game Theory''. [https://en.wikipedia.org/wiki/Dalhousie_University Dalhousie University], [http://www.eos.tuwien.ac.at/OR/Mehlmann/Andis/publ/Spielmod10/HistoryCGT.pdf pdf]</ref>, [https://en.wikipedia.org/wiki/Enumerative_combinatorics enumerative combinatorics], [https://en.wikipedia.org/wiki/Discrete_geometry combinatorial geometry], [https://en.wikipedia.org/wiki/Number_theory number theory] and [https://en.wikipedia.org/wiki/Graph_theory graph theory] <ref>[http://math.ucalgary.ca/profiles/richard-guy Richard Guy | Mathematics and Statistics]</ref>. He studied mathematics at the [https://en.wikipedia.org/wiki/University_of_Cambridge University of Cambridge], from 1941 to 1949 he was high school teacher at [https://en.wikipedia.org/wiki/Goldsmiths,_University_of_London Goldsmiths College] and then taught at the [https://en.wikipedia.org/wiki/University_of_Malaya University of Malaya], from 1956 at [https://en.wikipedia.org/wiki/Indian_Institutes_of_Technology Indian Institute of Technology] in [https://en.wikipedia.org/wiki/New_Delhi New Delhi], and since 1962 at the University of Calgary <ref>[http://de.wikipedia.org/wiki/Richard_Kenneth_Guy Richard Kenneth Guy – Wikipedia.de] (German)</ref>.

Guy is was chess player and composer of [[Chess Problems, Compositions and Studies|chess endgame studies]], and was along with [[John Roycroft]] and [https://en.wikipedia.org/wiki/Hugh_Blandford Hugh Blandford] co-inventor of the [https://en.wikipedia.org/wiki/GBR_code Guy-Blandford-Roycroft] code for classifying studies. In 1939, he started the [https://en.wikipedia.org/wiki/Stockport_Grammar_School Stockport Grammar School] Chess Club <ref>[https://en.wikipedia.org/wiki/Alan_Phillips_%28chess_player%29 Alan Phillips (chess player) from Wikipedia]</ref>, and served as endgame study editor for the [https://en.wikipedia.org/wiki/British_Chess_Magazine British Chess Magazine] from 1948 to 1951 <ref>[https://en.wikipedia.org/wiki/Richard_K._Guy Richard K. Guy from Wikipedia]</ref>.