James Robert, or Jim-Bob Walton as he was commonly known, was the youngest of the Walton sons. He was known for tinkering and learning the mechanics of new gadgets, often with his head in the clouds even before pursuing his dreams of flight. For all Jim-Bob’s grand dreams, his actor, David W. Harper, would live a far more reclusive life when The Waltons ended. What happened to this young actor after he retreated from Walton’s Mountain?