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The Hillside Group is a group of software developers that gathered to develop [[Erich Gamma]]'s use of object-oriented patterns, which was in turn inspired by [[Christopher Alexander]]'s use of patterns in architecture.

In August of 1993, [[Kent Beck]] and [[Grady Booch]] sponsored a mountain retreat in Colorado, inviting [[Ward Cunningham]], [[Ralph Johnson]], [[Ken Auer]], [[Hal Hildebrand]] and [[Jim Coplien]]. The Group agreed to build on Erich Gamma's work studying object-oriented patterns, but proposed to use patterns in a ''generative'' way, as Christopher Alexander used patterns in architecture, thus distinguishing the creative use of patterns from ''Gamma patterns'', which captured observations. The Group held these discussions on the side of a hill, whence the name.

The HillsideGroup met again in April 1994 to plan the first PLoP conference, joined for the first time by [[Richard Gabriel]]. The conference was held in August 1994 near Monticello, Illinois. The PLoP proceedings came out in May, 1995, as Pattern Languages of Program Design.

Other members of the Hillside Group include [[Desmond DeSouza]] and [[Norm Kerth]].

The Hillside Group has since been incorporated as an educational non-profit. It has sponsored various conferences (PlopConference, EuroPlop, ChiliPlop, KoalaPlop, Mensore PLoP, SugarloafPLoP, 
and UP97) and has been responsible for the PatternLanguagesOfProgramDesign series of books.

When [[Ward Cunningham]] created [[WikiWikiWeb]], he posted an invitation to the members of the [[PatternsList]] “Patterns” listserv, many of whom were members of the Hillside Group.

==See also==
*[[PatternsList]]

==Links==
*http://hillside.net
*http://hillside.net/history.html
*http://www.c2.com/cgi/wiki?HistoryOfPatterns

[[Category:Wiki People]]