Jack Hanna's battle with Alzheimer's: Ways to show support.

The Columbus Zoo has set up ways to send messages of love and support to longtime director Jack Hanna and his family as he continues a private fight against Alzheimer’s disease. Notes of encouragement to Hanna and his family can be delivered to a green mailbox in the guest relations office or emailed to [email protected]. Hanna, for years a regular on television talk shows showing off animals and promoting the zoo, withdrew from public life in 2021 after his family revealed his diagnosis.