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[[FILE:Richard K Guy 2005.jpg|border|right|thumb|Richard K. Guy <ref>Richard K Guy at [http://www.birs.ca/events/2011/5-day-workshops/11w5073 Banff Conference on Combinatorial Game Theory], June 19, 2005, [http://www.flickr.com/photos/thane Photo] by [http://thaneplambeck.typepad.com/ Thane Plambeck], [https://en.wikipedia.org/wiki/Richard_K._Guy Richard K. Guy from Wikipedia]</ref> ]]

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 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>.