Complex sentence: Carl Ritter (August 7,1779, Quedlinburg--September 28,1859, Berlin) was, along with his fellow German Alexander von Humboldt, one of the founders of modern geography (and of the Berlin Geographical Society).
Split into simpler sentences: Carl Ritter (August 7,1779--September 28,1859) was a German geographer. Along with Alexander von Humboldt, he is considered one of the founders of modern geography (and of the Berlin Geographical Society).