Complex sentence: The range is named for Ralph Edwards, pioneer and conservationist whose biography "Crusoe of Lonesome Lake", written by Leland Stowe, is a famous work of wilderness literature, and also the instigation for his work protecting trumpeter swans in Tweedsmuir Provincial Park.
Split into simpler sentences: The range is named for Ralph Edwards, a pioneering settler and conservationist whose biography, "Crusoe of Lonesome Lake", written by Leland Stowe, is a well known work of wilderness literature. Edwards is also known for his work protecting trumpeter swans in Tweedsmuir Provincial Park.