Education and academic degrees
Born in 1944, Doctor of Agriculture, Doctor of Horticulture. University professor for garden culture and open space development; Berlin University of the Arts, Germany(1985-2009); research unit Garden Culture and Open Space Development, Institute for History and Theory of Design (GTG), Berlin University of the Arts, Berlin, Germany (2009-ongoing). Together with four university professors from the disciplines of comparative literature, musicology, art history, and music- aesthetic pedagogy, carrier of the cross-disciplinary post graduate doctoral program 'Practice and theory of creative processes in the arts' at Berlin University of the Arts, Berlin, Germany (1998-2005).
Beatrix Farrand Fellow, Post Graduate Researcher, Department of Landscape Architecture, College of Environmental Design, University of California at Berkeley, United States of America (1973-1974).
Fellow, Studies in Landscape Architecture, Dumbarton Oaks/Trustees of Harvard University, Washington, D.C., United States of America (1994-1995).
Fellow, Japanese Society for the Promotion of Science (JSPS) (2000).
Cecil H. and Ida Green Visiting Professor, Green College, University of British Columbia, Vancouver, B.C., Canada (2007).
International Editorial Advisory Board of the professional journal: 'Studies in the History of Gardens & Designed Landscapes', United States of America (2005-2012)
International Editorial Advisory Board of the professional journal: 'Landscape Research', United Kingdom (ongoing)
Editorial Advisory Board of the professional journal: -'Die Gartenkunst' (Garden Art), Germany (ongoing)
At more than 100 universities abroad and in Germany.
More than 300 scholarly publications in books and professional journals.