If you grew up in the ’80s or ’90s, chances are you’ll have fond memories of Jack Hanna.
The animal expert was a mainstay on television, appearing as a guest on many late-night shows and specials, as well as going on to forge his own career in front of camera.
Sadly, however, his family have confirmed that the man who taught us so much about the animals we share this planet with, is now suffering from dementia.