Complex sentence: In 1910, after training in Berlin, working for Theodor Fischer's firm in Stuttgart, and establishing his own firm in Berlin, the experienced architect Hermann Muthesius suggested that Tatu visit England to learn the garden city philosophy.
Split into simpler sentences: In 1910, after training in Berlin and working for Theodor Fischer's firm in Stuttgart, Taut established his own firm in Berlin. The experienced architect Hermann Muthesius suggested that he visit England to learn the garden city philosophy.