Complex sentence: He studied at the Krakow art academy and at a technical school in Koenigsberg, Germany, majoring in interior decoration, illustration, and design; before changing his name and emigrating to the U.S. in 1909.
Split into simpler sentences: He studied at the Krakow art academy and at technical school in Koenigsberg, Germany, majoring in interior decoration, illustration, and design. He changed his name and emigrating to the U.S. in 1909.