Jack Hanna's long goodbye: How Alzheimer's is stripping away the man the world once knew

winning animal series that still run in syndication. He traveled the globe as a leading animal conservationist promoting Columbus

But in this moment, none of that history feels familiar.

lGone is the old Jack who enchanted nearly everyone he met with his Tennessee farm boy charm and endless funny stories

leather outback hat that he made famous around the globe

The Jack that remains now only remembers his wife Suzi

his dog Brassy and, at times

He will never know it or understand it, but he is still doing it now.