Complex sentence: In 1889, he gained entrance into the School of Applied Arts in Karlsruhe before becoming a drawing-instructor in Switzerland from 1892 to 1898, eventually leaving this job to finally pursue his dream of becoming an independent artist.
Split into simpler sentences: In 1889, he gained entrance into the School of Applied Arts in Karlsruhe. He eventually left this job to finally pursue his dream of becoming an independent artist.