EN
This obituary is dedicated to Dr. Lothar Hyss, a well-known figure in Germany and Poland, former long-time director of the Westpreußisches Landesmuseum, who died at the age of just 62 on March 19th, 2022, in Everswinkel. The Author of this article focuses on presenting both the academic career of the deceased and his great organisational achievements in the field of museology. An important element is the presentation of Hyss’s contacts with scientific and museum institutions in Poland. With regard to Grudziądz, attention was drawn to its multifaceted contacts between Hyss and the Władysław Łęga Museum under the leadership of Director Ryszard Boguwolski (1942–2015). This cooperation has resulted in exchanges of exhibitions and the production of joint publications.