Complex sentence: For the next two years, he attended the "Technische Hochschule" in Berlin, earning a Doctorate in Engineering for his thesis, written in German, on "Geschieb Bewegung", the bedload movement in streams.
Split into simpler sentences: For the next two years, he attended the "Technische Hochschule" in Berlin, earning a Doctorate in Engineering. His thesis, written in German, was on "Geschieb Bewegung", the bedload movement in streams.