Copernicus Publications and the Chief Editors of WES thank the following colleagues very much for their work in reviewing the manuscripts published in the journal volume 4, 2019.
- Imad Abdallah
- Mahdi Abkar
- Naseem Ali
- Dries Allaerts
- Peter Baas
- Francesco Balduzzi
- Majid Bastankhah
- Jacob Berg
- E Bossanyi
- Juliaan Bossuyt
- Hubert Branger
- Emmanuel Branlard
- Caroline Braud
- Raúl Bayoán Cal
- Po Wen Cheng
- Maurizio Collu
- Julien Deparday
- Nikolay Dimitrov
- vincenzo dossena
- Richard Dwight
- Stefan Emeis
- Michael Erhard
- Ju Feng
- Paul Fleming
- Rogier Floors
- Pieter Gebraad
- Niranjan Ghaisas
- Tuhfe Gocmen
- Jay Prakash Goit
- francesco grasso
- Jan Becker Høgsberg
- Valerio Iungo
- Peter Jamieson
- Thomas Jann
- Sonia Jerez
- Hamid Johari
- Christopher Kelley
- Matti Koivisto
- Mathew Lackner
- Gunner Larsen
- Scott Larwood
- Thorsten Lutz
- Luis Martinez
- Fanzhong Meng
- Wim Munters
- Kolja Müller
- Tor Anders Nygaard
- Martin Obligado
- Jacob Oest
- Ravi Pandit
- Lucy Pao
- Joachim Peinke
- Henk Polinder
- Erik Quaeghebeur
- Steffen Raach
- Vasilis A. Riziotis
- Mario Rotea
- Sebastian Sanchez Perez-Moreno
- Joseph Saverin
- Paolo Schito
- David Schlipf
- Roland Schmehl
- Andrew Scholbrock
- Carl Shapiro
- Eric Simley
- Adam Sobey
- Sergey Sorokin
- Richard Stevens
- Lars Einar S. Stieng
- Clym Stock-Williams
- Jan-Willem van Wingerden
- Axelle Vire
- Dominic von Terzi
- Lena Vospel
- Matthias Waechter
- Jonathan Whale
- Anders Wickström
- Norman Wildmann
- Björn Witha