Doctor of Philosophy in Physics, Technology University Berlin, 1969. Habilitation in Chemistry, Technology University Berlin, 1978.
Researcher, Fritz-Haber Institute, Berlin, 1959-1964;
researcher faculty physics, Technology U. Berlin, 1966-1969;
associate professor of chemistry, Technology U. Berlin, 1979-1983;
professor, Technology U. Berlin, since 1984;
researcher chemistry, Hahn-Meitner Institute, Berlin, 1969-1974;
department head trace element research, Hahn-Meitner Institute, Berlin, 1974-1978;
department head trace elements in biomedicine, Hahn-Meitner Institute, Berlin, 1978-1984;
science director trace elements in health and nutrition, Hahn-Meitner Institute, Berlin, since 1984. Member science committees various international associations and conferences, Italy, Finland, Venezuela and Federal Republic of Germany, since 1971. Consultant International AtomicEnergy Agency, Vienna, Austria, since 1976, Fundacredesa, Caracas, Venezuela, since 1981.
Member science county Bertelsmann Foundation, since 1991.
Member Society Mineral and Trace Elements (chairman science council since 1985, vice president since 1992), Association National Research Centers Federal Republic of Germany (committee Third World Relationships since 1988).
Married Virginia Negretti, December 21, 1984. Children: Christian, Stefanie, Marena.