Copernicus Publications and the Editors-in-chief of JM thank the following colleagues very much for their work in reviewing the manuscripts published in the journal volume 39, 2020.
- Claudia Agnini
- Peter Bijl
- Kara Bogus
- Marcelle BouDagher-Fadel
- Antonino Briguglio
- Henk Brinkhuis
- Beth Caissie
- Marisa Canales
- Roger Davies
- Stijn De Schepper
- Stan Duxbury
- Kirsty Edgar
- Lisa Marie Egger
- Lyndsey Fox
- Felix Gradstein
- Malcolm Hart
- Laurent Londeix
- Jörg Maletz
- Luke Mander
- Emanuela Mattioli
- Olga Obut
- Martin Anthony Pearce
- Matías Reolid
- Oscar E. Romero
- Suman Sarkar
- Marit-Solveig Seidenkrantz
- Mike Simmons
- Kasia K. Sliwinska