Complex sentence: Kenton "Factor" Grua (July 25,1950August 25,2002) was an early Grand Canyon commercial river guide, the first person in recorded history to walk the entire length of the Grand Canyon.
Split into simpler sentences: Kenton "Factor" Grua (July 25,1950August 25,2002) was a Grand Canyon commercial river guide. He was the first person in recorded history to walk the entire length of the Grand Canyon.