Complex sentence: Erwin Panofsky (30 March 1892--14 March 1968) was a German art historian, whose academic career was pursued mostly in the U.S. after the rise of the Nazi regime.
Split into simpler sentences: Erwin Panofsky (30 March 1892--14 March 1968) was a German art historian. His academic career was pursued mostly in the U.S. after the rise of the Nazi regime.