Complex sentence: He began painting in 1857 as a student painter then he studied painting at the Berlin Academy (Berliner Akademie der Künste), pursued his studies at Carlsruhe where he studied under Johann Wilhelm Schirmer, Ludwig Des Coudres and Adolf Schrödter.
Split into simpler sentences: He began painting in 1857 as a student painter, then studied painting at the Berlin Academy (Berliner Akademie der Künste). He pursued his studies at Carlsruhe, where he studied under Johann Wilhelm Schirmer, Ludwig Des Coudres and Adolf Schrödter.