Copernicus Publications and the Chief Editors of FR thank the following colleagues very much for their work in reviewing the manuscripts published in the journal volume 24, 2021.
- Gabriel Aguirre
- Vitalii Alekseev
- Aymon Baud
- Günter Bechly
- Eva Alexandra Bischof
- Don Brinkman
- Michael Buchwitz
- Andris Bukejs
- Chenyang Cai
- Michael Caterino
- Sandra Chapman
- Alberto Collareta
- Igor Danilov
- Lawrence J Flynn
- René Fraaije
- Leonid Friedman
- Bryan Gee
- F. Grímsson
- Oliver Hampe
- C. Jaramillo
- Morse John C.
- Stefan Jozsa
- Judy A. Judy A. Massare
- Uwe Kaulfuss
- Kathrin Kienapfel
- Christian Klug
- Dorota Konietzko-Meier
- Olavi Kurina
- Tomáš Lackner
- Olivier Lambert
- María Belén Lara
- Martin lockley
- Spencer G. Lucas
- Trude Magnussen
- Ignacio J. Maniel
- Erin Maxwell
- Ryan McKellar
- Wolfram Mey
- Andrew Milner
- Benjamin Moon
- Tamás Németh
- Ricardo Perez-de la Fuente
- Evgenii Perkovsky
- George Poinar
- Holger Preuschoft
- Tobias Püttmann
- Eugenio Ragazzi
- Alexandr P. Rasnitsyn
- Bettina Reichenbacher
- Marcello Ruta
- Enrico Ruzzier
- Dmitry Shcherbakov
- Bill Shepard
- Gary Stringer
- Tomasz Szczygielski
- Jacek Szwedo
- Martin Ubilla
- Lars Vilhelmsen
- Sonja Wedmann
- Lida Xing
- Shuhei Yamamoto
- Zhaoqun Zhang