Complex sentence: Gertrud Natzler (1908-1971) was an Austrian-born ceramicist who collaborated with her husband, Otto Natzler, to create significant 20th-century ceramic works.
Split into simpler sentences: Gertrud Natzler (1908-1971) was an Austrian-born ceramicist. Together with her husband, Otto Natzler, she created some of the most noteworthy 20th-century ceramic works.