Operation Research and Decision

Professor Zdzisław Hellwig has passed away on 5th of November 2013

With regret, the Editors of „Operations Research and Decisions” have learned about the death of Professor Zdzisław Hellwig. He was one of promoters of editing our quarterly as well as its Associate Editor from the very beginning. A biography of the late Professor Zdzisław Hellwig is here (in Polish) and here (in English).