Former collaborators
Until 2022:
- Dr. Dominique Laniel, U.K.
 
Until 2021:
- Dr. Toms Rekis, Kopenhagen (Denmark)
 - Dr. Timofey Fedotenko
 - Dr. Jinke Bao, Shanghai (China)
 - Dr. Sitaram Ramakrishnan
 
Until 2020:
- Dr. Georgios Aprilis, Grenoble
 - Dipl.-Chem. (FH) Alfred Suttner, Regensburg
 
Until 2019:
- Dr. Christian Hübschle, Bruker
 - Dr. Leila Noohinejad, DESY Hamburg
 - Dr. Natalija van Well
 - Prof. Dr. Srinivasan Ramakrishnan
 
Until 2018:
- Dr. Denis Vasiukov
 
Until 2017:
- Dr. Irina Chuvashova
 - Dr. Somnath Dey, IISER Kolkata (India)
 
Until 2016:
- Dr. Jeanette Held, Himmelkron (Germany)
 - Dr. Leyla Ismailova, Moscow (Russia)
 - Dr. Ines Collings, ERSF Grenoble (France)
 
Until 2015:
- Dr. Maxim Bykov, Bayerisches Geoinstitut, Universität Bayreuth / DESY, Hamburg (Germany)
 - Dr. Elena Bykova, Bayerisches Geoinstitut, Universität Bayreuth / DESY, Hamburg (Germany)
 
Until 2014:
- Dr. SK Imran Ali, University of Kalyani, Nadia, West Bengal (India)
 - Dr. Swastik Mondal, CSIR-CGCRI, Kolkata (India)
 - Dr. Jian Zhang, Shandong University, Jinan, Shandong (PR China)
 
Until 2013:
- Prathapa Siriyara Jagannatha (India)
 - Dr. Alxander Wölfel, Sigmund Lindner GmbH, Warmensteinach (Germany)
 
Until 2011:
- Dr. Liang Li, King Abdullah University of Science and Technology, Thuwal, Jeddah (Kingdom of Saudi Arabia)
 
Until 2009:
- Dr. Joachim Angelkort, Frankfurt (Germany)
 
Until 2008:
- Gertrud Sommer, Didaktik der Biologie, Universität Bayreuth, Bayreuth (Germany)
 
Until 2006:
- Dr. Galina Shcheka
 - Dr. Andreas Hofmann, Landesamt für Umwelt, Hof (Germany)
 - Dr. Jonathan Guevarra, De La Salle University, Manila (Philippines)
 
Until 2005:
- Dr. Nicola Rotiroti, Department of Earth Sciences, University of Milano, Milano (Italy)
 
Until 2004:
- Dr. Anthony Arulraj
 - Dipl.-Phys. Jan Gollwitzer
 - Dr. Peter Daniels, North Dakota State University, Fargo (USA)
 - Dr. Mohammad A. Shaz, Department of Physics, Banaras Hindu University, Varanasi (India)
 
Until 2003:
- Dr. Markus Wunschel, Fach- und Berufsoberschule Weiden, Weiden (Germany)
 - Dr. Hui Lee, Beijing Synchrotron Radiation Facility, Beijing (PR China)
 - Dipl.-Chem. (FH) Karl-Ludwig Stork, RWTH, Aachen (Germany)
 - Dr. Lukas Palatinus, Institute of Physics, Academy of Sciences, Prague (Czech Republic)
 
Until 2001:
- Dr. Robert Dinnebier, MPI für Festkörperforschung, Stuttgart (Germany)
 - Dr. Martin Schneider, Datencenter-Deutschland, Nuremberg (Germany)
 - Dr. Andreas Jobst, Fraunhofer-Institut für Integrierte Schaltungen, Erlangen (Germany)
 - Dr. Omar Abdel-Kader, National Research Center Dokki, Cairo (Egypt)
 - Dr. Rafael Tamazyan, MSRC, National Academy of Sciences, Yerevan (Armenia)
 
Until 2000:
- Dr. Jens Lüdecke, Firma Zeiss (Germany)
 - Dr. Katrin Pilz, SWS-Systemhaus für WertpapierSoftware GmbH, Hamburg (Germany)
 
Until 1999:
- Dipl.-Chem. (FH) Edmund Riedl, Infineon, Regensburg (Germany)