For those interested in this story, you may also like the documentary "Alone In The Wilderness" by PBS. It's a great story of a man that lived alone for 30 years in the Alaskan wilderness. https://shop.pbs.org/alone-in-the-wilderness-dvd/product/ALW...
https://en.wikipedia.org/wiki/Richard_Proenneke
He also wrote books. The first One Man's Wilderness: An Alaskan Odyssey isn't bad either.