Rigorous peer-reviews are the basis of high-quality academic publishing. Thanks to the great efforts of our reviewers, Galaxies was able to maintain its standards for the high quality of its published papers. Thanks to the contribution of our reviewers, in 2021, the median time to first decision was 20 days and the median time to publication was 44 days. The editors would like to extend their gratitude and recognition to the following reviewers for their precious time and dedication, regardless of whether the papers they reviewed were finally published:
| A. A. Kirillov | Luca Casagrande |
| A. A. Mamun | Luca Graziani |
| Abani Shankar Nayak | Luca Visinelli |
| Abdul Jawad | Luciano Nicastro |
| Adrià Gómez-Valent | Luigi Foschini |
| Aharon Davidson | Luigi Iapichino |
| Ahmadjon Abdujabbarov | Luigina Feretti |
| Ahmedov Bobomurat | Luis Acedo |
| Alan McConnachie | M. J. Valtonen |
| Alan P. Marscher | M. Shahalam |
| Albert Minkevich | Magdalena Kunert-Bajraszewska |
| Albert Petrov | Magnus Axelsson |
| Albert Zijlstra | Mami Machida |
| Alessandro De Angelis | Manuel Perucho |
| Alessia Platania | Marc Sarazin |
| Alexander B. Balakin | Marcin Hajduk |
| Alexander Pushkarev | Marcio Alves |
| Alexandre Marcowith | Márcio Ferreira |
| Alexandre Rodrigues Vieira | Marco Bondi |
| Alexios Liakos | Marco Danilo Claudio Torri |
| Ali Ovgun | Marco Taoso |
| Alice Pasetto | Marcos López-Moya |
| Alireza Khalili Golmankhaneh | Marek Nowakowski |
| Allan Ernest | Maria Concetta Tringali |
| Allard Jan Van Marle | Marie Kasprzack |
| Álvaro Giménez | Mariko Kato |
| Ananda Hota | Marina Orio |
| Anatoly Miroshnichenko | Mark Henriksen |
| Anatoly Vasilievich Filippov | Mark McConnell |
| Andreea Font | Martin Hardcastle |
| Andrej Arbuzov | Martiros Khurshudyan |
| Andrej Prsa | Masatoshi Ohishi |
| Andrey Saveliev | Massimo Tessarotto |
| Andrzej Pigulski | Matthew Mewes |
| Angel Castro | Matthias Hoeft |
| Angelo Tartaglia | Michael Coughlin |
| Anna D. Kapinska | Michael D. Johnson |
| Anthony Gonzalez | Michal Zajaček |
| Anton A. Sheykin | Micheal S. Berger |
| Antonaldo Diaferio | Micol Benetti |
| Armando Di Matteo | Miguel Quartin |
| Armen Sedrakian | Mikhail Sachkov |
| Aroonkumar Beesham | Ming Chung Chu |
| Arti Goyal | Minyong Guo |
| Arun Kannawadi | Monica Seglar-Arroyo |
| Ascensión Del Olmo | Muhammad Sharif |
| Ashadul Halder | N. Fraija |
| Ashkbiz Danehkar | Nachiketa Chakraborty |
| Atsushi Tanimoto | Nareshpal Singh Saini |
| Bart Horn | Nicholas Tothill |
| Beatriz Ruiz-Granados | Nichole Barry |
| Behzad Eslam Panah | Nick Seymour |
| Biagina Boccardi | Nicolas Arnaud |
| Bobir Toshmatov | Oleg Malkov |
| Bobur Turimov | Olga Sil’chenko |
| Bong Won Sohn | Olivier Beltramo-Martin |
| Brandt Gaches | Orlando Luongo |
| Brett Altschul | Panagiotis George Niarchos |
| Brunello Tirozzi | Paola Marziani |
| Cesare Chiosi | Parthapratim Pradhan |
| Changjun Gao | Patricia Lampens |
| Chao-Wei Tsai | Paul Wiita |
| Chia-Min Lin | Paweł Haensel |
| Chris Fryer | Pedro Bargueno |
| Christian Corda | Pedro L. Luque-Escamilla |
| Christian Henkel | Peter Biermann |
| Chung-Ping Chang | Peter Morley |
| Claudia M. Raiteri | Peter Otto Hess |
| Cupatitzio Ramirez | Péter Veres |
| Dan Homan | Philip G. Edwards |
| Daniel Tafoya | Philip Mansfield |
| Daniela Bettoni | Prabhakar Tiwari |
| David Benisty | Pradyumn Kumar Sahoo |
| David Garofalo | Qi Feng |
| David Paneque | Quentin Bailey |
| David Shoemaker | R. A. Konoplya |
| David Wu | Rafael Alves Batista |
| Dayun Yan | Rafael Barrena |
| Dehua Wen | Rafael C. Nunes |
| Deng Wang | Rafik Hamdi |
| Denis Wittor | Rami Ahmad El-Nabulsi |
| Denise Gabuzda | Ray Norris |
| Diego Pavón | Ricardo Landim |
| Dirk Terrell | Richard Henriksen |
| Dmitry Blinov | Rita C. Anjos |
| Dmitry Sokoloff | Robert H. Brandenberger |
| Dominik Elsaesser | Robert Laing |
| Don Page | Roberto Oliveri |
| Donggeun Tak | Roberto Onofrio |
| Duy Hoang | Rocco Lico |
| Edésio Miguel Barboza | Rodrigo Aros |
| Edna Loredana Ruiz Velasco | Ron Ekers |
| Elaine C. F. S. Fortes | Ronaldo Lobato |
| Elbaz I. Abouelmagd | Rongjia Yang |
| Elena D’Onghia | Rossella Cassano |
| Eleni Vardoulaki | Rui Xu |
| Emilia Järvelä | Ryosuke Hirai |
| Emma Kun | Sabin Stoica |
| Emmanuel Saridakis | Sandor Frey |
| Enrichetta Iodice | Sanjar Shaymatov |
| Enrique Lopez-Rodriguez | Sascha Trippe |
| Eric F. Jiménez-Andrade | Saurabh Singh |
| Eric M. Schlegel | Sayantan Choudhury |
| Evan Hall | Sebastián Nuza |
| Evgeniya Kravchenko | Sebastian Voelkel |
| Fabian Kislat | Sergei Odintsov |
| Fabrizio Tavecchio | Sergei Sushkov |
| Farruh Atamurotov | Sergey A. Trushkin |
| Fayin Wang | Serguei S. Komissarov |
| Federico Stasyszyn | Seyed Hossein Hendi |
| Feng Yuan | Shahar Hod |
| Francesco Di Renzo | Shao-Jiang Wang |
| Francesco Pace | Shibesh Kumar Jas Pacif |
| Gavin Lamb | Shunjii Kitamoto |
| Gennady S. Bisnovatyi-Kogan | Sibasish Laha |
| Geoff Beck | Simona Giacintucci |
| Giulia Migliori | Sourabh Nampalliwar |
| Giulia Stratta | Stavros Akras |
| Giuseppe Di Sciascio | Stefano Profumo |
| Giuseppe Fanizza | Stefi Baum |
| Giuseppe Gaetano Luciano | Surajit Chattopadhyay |
| Gloria Koenigsberger | Sven De Rijcke |
| Grigoris Panotopoulos | Szilard Csizmadia |
| Harry Desmond | Takuji Yamashita |
| Hasan El Moumni | Talvikki Hovatta |
| Hermano Velten | Tamás Borkovits |
| Hong Lu | Tao Zhu |
| Hubing Xiao | Tessa Vernstrom |
| Hugo Roland Christiansen | Theophanes Grammenos |
| Ian Stevens | Thomas W. Jones |
| Ibrar Hussain | Tobias Buck |
| Ioannis Contopoulos | Tom C. Scott |
| Ioannis Myserlis | Tomasz Bulik |
| Ion Vasile Vancea | Tomislav Terzić |
| Irene Fiori | Tomohiro Nakama |
| Isaac Shlosman | Toshiya Ueta |
| Isabella Prandoni | Tracy Clarke |
| Ivan De Martino | Tuomas Savolainen |
| İzzet Sakalli | Ulrich D. Jentschura |
| J. Kallrath | Vera Sinitsyna |
| Jacques P. Vallée | Vincent Icke |
| Jaderson Schimoia | Vladimir O. Soloviev |
| Jaime Haro Cases | Volker Perlick |
| James R. Webb | Vorobyev Sergey |
| Jennifer C. Driggers | Vyacheslav Dokuchaev |
| Jeremy Richard Walsh | W. F. El-Taibany |
| Jerome Petri | Walter Van Hamme |
| Jesper Munch | Walter Van Rensbergen |
| Jesus A. Toalá | Wenbiao Han |
| Jesús M. Rueda-Becerril | William D. J. Cotton |
| Jian Li | Włodzimierz Bednarek |
| Jinjun Geng | Wolfgang Reich |
| JinLin Han | Xavier Hernández |
| Johann Cohen-Tanugi | Xiang Liu |
| John Antoniadis | Yannis Liodakis |
| John Marr | Yasushi Fukazawa |
| John Southworth | Yizhong Fan |
| Jorge Cervantes-Cota | Yogesh Wadadekar |
| Jorick Vink | Yongfeng Huang |
| Jose Cembranos | Yoshiaki Sofue |
| Jose M. Ramirez | Yuanchuan Zou |
| Josep Martí | Yue Zhao |
| Juan Carlos Degollado | Yungui Gong |
| Julian Osborne | Yuri Kovalev |
| Júlio Fabris | Yvan Dutil |
| Junhui Fan | Zbigniew Wlodarczyk |
| Jun-Jie Wei | Zeeshan Yousaf |
| Kazuharu Bamba | Zhe Chang |
| Kenji Toma | Zhenpeng Su |
| Kimet Jusufi | Zhifu Gao |
| Krzysztof G. Hełminiak | Zhiqi Huang |
| Lance L. Williams | Zhi-Yuan Pei |
| Ligong Bian | Zhongxiang Wang |
| Lili Yang | Zhoujian Cao |
| Liyi Gu |
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. |
© 2022 by the author. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).