2021
2024 Rudi Gaul
2022 Werner Siebert
2021 Eric Baudler, Leander Behal, Leoni Gora
2021 Esther Wenger
2021 Rudi Gaul
2021 Melanie Müller-Ittstein
2020 Alireza Esfandiarnejad
2018 Eva Wolf
2014 Hadi Khanjanpour
2021
2024 Rudi Gaul
German
2022 Werner Siebert
German
2021 Eric Baudler, Leander Behal, Leoni Gora
German
2021 Esther Wenger
German
2021 Rudi Gaul
German
2021 Melanie Müller-Ittstein
German
2020 Alireza Esfandiarnejad
English
2018 Eva Wolf
German
2014 Hadi Khanjanpour
German