The professional estate of Prof. Börner (*1929 - †1996) spans from 1934 to 1996. It includes documents from Prof. Börner's school years and studies, his work at the research institute of the company Telefunken, as well as his position as the chair of Technical Electrophysics at the Faculty of Electrical Engineering and Information Technology at the Technical University of Munich, which he held from 1979 to 1993. For his research in the field of optoelectronic communications, Prof. Börner received several prestigious awards.