Emeritus Professor Kari I. Leväinen has passed away on March 16, 2026, at the age of 81. This sad news evokes warm memories in our hearts of this pioneer in facility management networks, education, and research in Finland. Professor Leväinen served as a professor at the Technical University of Finland (now Aalto University) for a quarter of a century and retired from his position as Professor of Facility Management in September 2007. Professor Leväinen's work and passion for the field have...