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 68, 2013.
- Christin Achermann
- Uwe Altrock
- Norman Backhaus
- Christian Berndt
- Dean Bond
- Hanna Britt
- Vera Chouinard
- Stuart Elden
- J. - M. Fallot
- Andrea Fischer
- Wilfried Haeberli
- Wilfried Hagg
- Matthew Hannah
- Marcel Hunziker
- Matthias Huss
- Hendrik Huwald
- Margo Huxley
- Oliver Ibert
- Corey Johnson
- Francisco Klauser
- Benedikt Korf
- Olaf Kühne
- Christophe Lambiel
- Martin Müller
- Jürgen Ossenbrügge
- Till Paasche
- Emmanuel Reynard
- Cristian Scapozza
- Justin Smith
- Ola Söderström
- Wing Shing Tang
- Sara Westin