Original sentence: He was born in Gdynia, Poland, under German occupation used as Kriegsmarine-Arsenal and named Gotenhafen, on November 21, 1943 to Roswitha Heinsohn, née Maurer and the late Kapitänleutnant Heinrich Heinsohn, last serving on U-438.Since 1984, he has been a tenured professor at the University of Bremen, where he heads the Raphal-Lemkin Institut named for Raphael-Lemkin-Institute for Comparative Genocide Research
Edited sentence: He was born in Gotenhafen, Pomerania on November 21, 1943 to Roswitha Heinsohn, née Maurer and the late Kapitänleutnant Heinrich Heinsohn, last serving on U-438.Since 1984, he has been a tenured professor at the University of Bremen, where he heads the Raphal-Lemkin Institut named for Raphael-Lemkin for Comparative Genocide Research