Complex sentence: This led to Wright being hired by Ion Lewis to instal the lighting at the Lewis and Clark Exposition, including incandescent lights around Guild's Lake and the Forestry Building, and large searchlights on top of the fair's Government building.
Split into simpler sentences: This led to Wright being hired by Ion Lewis to instal the lighting at the Lewis and Clark exposition. This included placing incandescent lights around Guild's Lake and the Forestry Building, and large searchlights on top of the fair's Government building.