It is with deep sadness that we bid farewell to our long-time colleague and friend Matthias Eißing, who passed away suddenly and unexpectedly on 14 February 2024 at the age of 53. We are were all extremely shocked by the news of his death. Matthias leaves behind his partner of many years, Maria, and all of us, in profound mourning. Many knew Matthias as a very competent and technically adept…