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 74, 2019.
- Edwin Aguirre Ramírez
- Samer Angelone
- Xavier Bodin
- Olga Bronnikova
- Mirka Dickel
- Anton Escher
- Sébastien Fleuret
- Birgit Glorius
- Jussi Grießinger
- Wilfried Haeberli
- Heike Hanhörster
- Matthew Hannah
- Pia Hollenbach
- Holger Jahnke
- Johann Junghardt
- Natalie Koch
- Sara Koopman
- Olivier Labussière
- Julie Le Gall
- Ireneusz Malik
- Nadine Marquardt
- Martin Mergili
- Robert Musil
- Garth Myers
- Frank Müller
- Sybille Münch
- Robert Pütz
- Timothy Raeymaekers
- Jesús Rodrigo-Comino
- Marit Rosol
- Simon Runkel
- Carolin Schurr
- Adrian Scribano
- Steffen Seitz
- Anna Steigemann
- Christian Steiner
- Mathis Stock
- Miriam Stock
- Jean-Paul Thibaud
- Julie Vallée
- Ann Varley
- Julia Verne
- Juan Wahren