Complex sentence: Ernst Vogenauer studied during his early years in Munich and was a bright student of Fritz Helmut Ehmcke (1878--1965); at the same time he worked for the Consee's art printing office of Munich.
Split into simpler sentences: Ernst Vogenauer studied during his early years in Munich and was a bright student of Fritz Helmut Ehmcke (1878--1965). At the same time, he worked for the Consee's art printing office of Munich.