Ingo Müller is Professor Emeritus of Thermodynamics at the Technical University of Berlin. His research interests encompass all areas of thermodynamics during several decades, including physical, chemical, and engineering aspects. He has received several honors and prizes for his research, including an honorary doctorate from the University of Darmstadt, Germany, and the Leibniz Award of the German Science Foundation. His publications include several books on thermodynamics as well as about 300 scientific articles.