Albert Zeyer, Dr. med. et dipl. math., is a physician and a mathematical physicist. After working for many years as a science teacher and as children’s doctor in Swiss schools and hospitals, he became a research scientist at the Institute of Education of the University of Zurich, Switzerland. After a position as a professor of medicine in nursing education at Bern University of Applied Sciences, Department of Health Professions, Switzerland, he today is a professor of education for sustainable development at the University of Teacher Education Lucerne, Switzerland.