Abstract: The Turkish geological community has experienced profound sorrow over the loss of one of its greatest values, our dear friend and teacher, Prof. Dr. Namık Aysal, a faculty member of the Department of Geological Engineering at Istanbul University-Cerrahpaşa, on October 6, 2025. Atonly 52 years of age, during the most productive years of his life, Prof. Dr. Aysal`s untimely passinghas left an irreplaceable void not only in the academic community but also among his student sand friends. Mr. Aysal dedicated his short life to science, his students, the Geochronology and Geochemistry Laboratory—which he establishedwith great effort alongside his colleagues and remains unique in our country—his colleagues through out Türkiye, and the mountains he loved so much. His multi-faceted personality, inexhaustible energy, and the "guiding driving force" heradiated to his surroundings are felt even more profoundly in his absence and are deeply missed.