The Richard Proenneke died at the age of 86. Here is all you want to know, and more!
Biography - A Short Wiki
Alaskan adventurer who lived alone in a log cabin in the remote wilderness for close to 30 years.
He was never married and had no children.
In 1999, at age 83, Proenneke left his cabin and moved to Hemet, California, where he lived the remainder of his life with his brother Raymond “Jake” Proenneke. He died of a stroke on April 20, 2003, at the age of 86.