Doctor of Veterinary Medicine, Veterinary School, Hannover, Germany, 1973; Doctor of Philosophy in Veterinary Science, Veterinary School, Hannover, Germany, 1975.
Research associate, Max Planck Institute Virus Research, Tübingen, Germany, 1974-1978; assistant professor department surgery, Duke U. Medical Center, Durham, North Carolina, 1980-1981; wissenschaftlicher oberrat, Federal Research Center Virus Diseases Animals, Tübingen, Germany, 1982-1987; director, professor, Federal Research Center Virus Diseases Animals, Tübingen, Germany, 1987-1994; head institute, Institute Virology Justus-Liebig-University, Giessen, Germany, since 1995. Guest investigator department surgery Duke U. Medical Center, 1978-1980. Member International Committee Taxonomy Viruses.
Member American Association for the Advancement of Science, American Society Microbiology, Society General Microbiology.
Married Karin Hannelore Schweer, July 10, 1975. Children: Silke, Erik.