Robert Downey Jr is the obvious case of a person who had a redemption arc, to simplify it he was a promising actor that got addicted to drugs, fell off, went to rehab and then became a huge hollywood big stsr known, even known for being Iron Man.
What real life person had a redemption arc?
Robert Downey Jr and Rob Lowe seem to both have gone from ridiculed “problem” actors to loved favorites.