Inga Barth Copywriter Inga Barth has a degree in social sciences and cultural studies, having studied in Berlin and Lüneberg. Her editorial focus is on socio-political issues such as gender equality and the scientific community. Articles by Inga Barth Professor titles in Germany The title of “professor” is highly sought-after. But who is allowed to use it? And what do abbreviations like apl. Prof. or Prof. h.c. actually mean? An overview. The traditional doctorate Doctorates following the traditional model still make up the majority of PhDs in Germany compared to structured programmes. For doctoral candidates from abroad, a traditional PhD requires a great deal of initiative, autonomy and tenacity.