Complex sentence: After studies (philosophy, social sciences, linguistics) in Freiburg, Paris and Erlangen, Wohlrapp was appointed to a teaching position at the university of Hamburg, where he was a professor of philosophy from 1983 through 2009 and is presently a senior research fellow.
Split into simpler sentences: After studies (philosophy, social sciences, linguistics) in Freiburg, Paris and Erlangen he got a teaching position at the university of Hamburg. There he was a professor of philosophy from 1983 through 2009 and is presently a senior research fellow.