Thank you for posting this video. I have about 15 minutes left to watch, which I will do when I return home later.

He started this venture when he was 51. Wikipedia says he served as a carpenter during World War II. During that time he contracted rheumatic fever and was bedridden for nearly six months. According to a lifelong friend of his, "this illness was very revealing for Proenneke, who decided to devote the rest of his life to the strength and health of his body. "

[link to en.wikipedia.org]

I also noticed there is a part two video which I'm sure will be just as fascinating to watch.

Thanks again!!