---
title: "Grammatical Framework: Authors and Acknowledgements"
---

## Current maintainers

The current maintainers of GF are

[Krasimir Angelov](http://www.chalmers.se/cse/EN/organization/divisions/computing-science/people/angelov-krasimir),
[Thomas Hallgren](http://www.cse.chalmers.se/~hallgren/),
[Aarne Ranta](http://www.cse.chalmers.se/~aarne/),
[John J. Camilleri](http://johnjcamilleri.com), and
[Inari Listenmaa](https://inariksit.github.io/).

This page is otherwise not up to date.
For detailed data about contributors to the code repositories since 2007, see
[here (gf-core)](https://github.com/GrammaticalFramework/gf-core/graphs/contributors)
and
[here (gf-rgl)](https://github.com/GrammaticalFramework/gf-rgl/graphs/contributors).

## Previous contributors

The following people have contributed code to some of the versions:

- Grégoire Détrez (University of Gothenburg)
- Ramona Enache (University of Gothenburg)
- [Björn Bringert](http://www.cse.chalmers.se/alumni/bringert) (University of Gothenburg)
- Håkan Burden (University of Gothenburg)
- Hans-Joachim Daniels (Karlsruhe)
- [Markus Forsberg](http://www.cs.chalmers.se/~markus) (Chalmers)
- [Kristofer Johannisson](http://www.cs.chalmers.se/~krijo) (University of Gothenburg)
- [Janna Khegai](http://www.cs.chalmers.se/~janna) (Chalmers)
- [Peter Ljunglöf](http://www.cse.chalmers.se/~peb) (University of Gothenburg)
- Petri Mäenpää (Nokia)

At least the following colleagues are thanked for suggestions, bug
reports, and other indirect contributions to the code.

- [Stefano Berardi](http://www.di.unito.it/~stefano/) (Torino)
- Pascal Boldini (Paris)
- [Paul Callaghan](http://www.dur.ac.uk/~dcs0pcc/) (Durham)
- Lauri Carlson (Helsinki)
- [Koen Claessen](http://www.cse.chalmers.se/~koen) (Chalmers)
- [Robin Cooper](http://www.cling.gu.se/~cooper) (Gothenburg)
- [Thierry Coquand](http://www.cse.chalmers.se/~coquand) (Chalmers)
- [Marc Dymetman](http://www.xrce.xerox.com/people/dymetman/dymetman.html) (XRCE)
- Bertrand Grégoire (Tudor Institute, Luxembourg)
- [Reiner Hähnle](http://www.cse.chalmers.se/~reiner) (Chalmers)
- [Gérard Huet](http://pauillac.inria.fr/~huet/) (INRIA)
- [Patrik Jansson](http://www.cse.chalmers.se/~patrikj) (Chalmers)
- Bernard Jaulin (Paris)
- [Lauri Karttunen](http://www.xrce.xerox.com/people/karttunen/karttunen.html) (PARC)
- Matti Kinnunen (Nokia)
- [Veronika Lux](http://www.xrce.xerox.com/people/lux/) (XRCE)
- Per Martin-Löf (Stockholm)
- [Bengt Nordström](http://www.cse.chalmers.se/~bengt) (Chalmers)
- [Martin Okrslar](http://www.cis.uni-muenchen.de/studenten/stud_homepages/okrslar/reklame.html) (CIS)
- Jianmin Pang (Durham)
- [Sylvain Pogodalla](http://www.xrce.xerox.com/people/pogodalla/index.fr.html) (XRCE)
- [Loïc Pottier](http://www.inria.fr/Loic.Pottier) (INRIA)
- [Annie Zaenen](http://www2.parc.com/istl/members/zaenen/) (PARC)

The GF logo was designed by Uula Ranta.