Copernicus Publications and the Coordinating editors of GH thank the following colleagues very much for their work in reviewing the manuscripts published in the journal volume 76, 2021.
- Christian Ambrosi
- Fabien Barthélémy
- Bernd Belina
- Fabian Beran
- Christin Bernhold
- Jevgeniy Bluwstein
- Irene Maria Bollati
- Verena Brinks
- Inken Carstensen-Egwuom
- Ian Cummins
- Mirka Dickel
- Benoit Dugua
- Florian Dünckmann
- Henning Füller
- Hartmut Fünfgeld
- Jean Gardin
- Klaus Geiselhart
- Georg Glasze
- Phil Greenwood
- Pauline Guinard
- Robert Hafner
- Matthew Hannah
- Camille Hochedez
- Silja Klepp
- Thomas Klinger
- Sarah Klosterkamp
- Stefan Kordel
- Benedikt Korf
- Johanna Kramm
- Dunia Krause
- Yvonne Kunz
- Jana Kühl
- Olaf Kühne
- Quinn Lewis
- Julia Lossau
- Nadine Marquardt
- J.A. Matthews
- David McCollum
- Marc-Antoine Messer
- Boris Michel
- OLIVIER MILHAUD
- Andrea Mösgen
- Martin Müller
- Anna-Lisa Müller
- Jürgen Oßenbrügge
- Delphine Pagès-El Karoui
- Katharina Paulus
- Lukasz Pawlik
- Andrea Pedrazzini
- Peter Pez
- Marc Redepenning
- Eberhard Rothfuss
- Patrick Sakdapolrak
- Mario Schmidt
- Karin Schwiter
- Martin Simon
- Shilpi Srivastava
- Ulf Strohmayer
- Gian Paolo Torricelli
- Ute Wardenga
- Patrica Widener
- Claus-Christian Wiegandt
- Thilo Wiertz
- Karin Wiest
- Stefan Winkler