Editing Hex (board game) (section)

===Invention===
The game was invented by the [[Danes|Danish]] mathematician [[Piet Hein (scientist)|Piet Hein]], who introduced it in 1942 at the [[Niels Bohr Institute]]. Although Hein later renamed it to Con-tac-tix,<ref name="ContactixManual">{{cite book |title=Con-tac-tix manual |url=https://www.hasbro.com/common/instruct/Con-Tac-Tix.PDF |archive-url=https://ghostarchive.org/archive/20221009/https://www.hasbro.com/common/instruct/Con-Tac-Tix.PDF |archive-date=2022-10-09 |url-status=live |year=1968 |publisher= Parker Brothers}}</ref><ref>{{cite book |last1=Hayward |first1=Ryan B. |last2=Toft |first2=Bjarne |title=Hex, inside and out : the full story |year=2019 |publisher=CRC Press |location=Boca Raton, Florida |isbn=978-0367144258 |page=156}}</ref> it became known in Denmark under the name ''Polygon'' due to an article by Hein in the 26 December 1942 edition of the Danish newspaper ''Politiken'', the first published description of the game, in which he used that name.