| 1938 (Oct. 14) |
born in Ludwigshafen/Rhein, Germany |
| 1957-1962 |
Undergraduate Studies in Chemistry (subsidiary subjects: physics, mineralogy and botany) University Heidelberg |
| 1962 |
Degree "Diplom-Chemiker" |
| 1963-1965 |
Assistant at the Institut of Inorganic Chemistry, University Heidelberg |
| 1963-1967 |
Doctoral Studies in Chemistry under Prof. Dr. Armin Weiss. Institut of Inorganic Chemistry, University Heidelberg |
| 1965-1971 |
Assistant at the Institut of Inorganic Chemistry, University Munich |
| 1967 |
Degree "Dr. rer. nat." Thesis: Untersuchung von Quellungsvorgängen in n-Alkylammonium-Schichtsilicaten (A study of swelling processes of alkylammonium layered silicates) |
| 1969 |
Richard-Zsigmondy-Stipendium, awarded by the Kolloid-Gesellschaft (Germany) |
| 1971 |
"Habilitation", University Munich |
| 1971-1973 |
"Akademischer Rat" at the Institut of Inorganic Chemistry, University Munich |
| 1973-1974 |
"Akademischer Oberrat" at the Institut of Inorganic Chemistry, University Munich |
| since 1974 |
Professor at the Institut of Inorganic Chemistry, University Kiel |
| 1979-2003 |
Director ("Geschaftsführer") of the Kolloid-Gesellschaft e.V. (Germany) |
| 1982-1996 |
Member of the Editorial Board of "Clay Minerals" |
| 1985-1996 |
Member of the Editorial Board of "Applied Clay Science" |
| 1987-1991 |
President of the German Clay Group (DTTG) |
| 1987-2004 |
Editor of "Colloid and Polymer Science" and "Progress Colloid and Polymer Science" |
| since 1995 |
Editor of "Applied Clay Science" |
| 1995 |
Brindley Lecturer, Clay Minerals Society (USA) |
| 1996 |
Doctor honoris causa, University of Szeged (Hungary) |
| 1999 |
Wolfgang-Ostwald-Kolloquium of the Kolloid-Gesellschaft (Germany) dedicated to the 60th birthday of G. Lagaly |
| 1999-2003 |
President of the European Clay Groups Association (ECGA) |
| 2001 |
AIPEA Medal in recognition of innovative and dynamic scientific contribution to the field of Clay Sciences |
| 2002 |
Marilyn & Sturges W. Bailey Distinguished Member Award, Clay Minerals Society (USA) |
| 2002 |
Socio de Honor de la Sociedad Española de Arcillas (Spain) |
| since 2004 |
Member of the Editorial Board of "Colloid and Polymer Science" and "Progress Colloid and Polymer Science" |
| 2004 |
Retirement from the academic activities at the University Kiel ("Pensionierung") |
| 2004 |
Wolfgang-Ostwald-Medaille, awarded by the Kolloid-Gesellschaft (Germany) |
| 2005 |
Membre d'Honneur du Groupe Français des Argiles (France) |
