Complex sentence: Jean-Léon Gérôme (1824--1904) was a French painter and sculptor who traveled widely throughout the Middle East and visited Egypt, and was known as a leader of the Academic art movement in the nineteenth century who specialized in historical and Orientalist painting.
Split into simpler sentences: Jean-Léon Gérôme (1824--1904) was a French painter and sculptor who traveled widely throughout the Middle East and visited Egypt. He was known as a leader of the Academic art movement in the nineteenth century who specialized in historical and Orientalist painting.