This paper was written by Cornelius Schumacher. He is a long-term kdepim contributor, one of the founders of Kontact and maintainer of several KDE applications and libraries, one of them being KOrganizer. He acts as release coordinator for the Kontact 1.0 release.
The other founding authors of Kontact are Daniel Molkentin, maintainer of the Kontact framework application, and Don Sanders, one of the founders of kdepim and co-maintainer of KMail. The original framework code was written by Matthias Hoelzer-Kluepfel.
David Faure, Tobias Koenig, maintainer of KAddressBook and Ingo Kloecker, maintainer of KMail, have done important contributions to Kontact and in particular to the Kontact application integration framework.
But the most important contributors to Kontact are the developers, translators, documentation writers and other contributors of the applications embedded into the Kontact framework. Thanks to all of them.