RELATED: Former Columbus Zoo Director Jack Hanna, 74, Diagnosed with Dementia, Family Shares in Letter Adam Cairns/Columbus Dispatch / USA TODAY NETWORK Hanna, also known as "Jungle Jack," served ...

Jack Hanna, who became famous for appearing on talk shows with animals by his side, has reached an advanced stage of Alzheimer's, his family said. Hanna, 77, served as director of the Columbus Zoo ...

Glenelg junior attackman Jack Hanna saw a short stick on him and knew ... “It’s great to be here, it’s like a big family. Everything was flowing through me in that moment.

COLUMBUS, Ohio – Celebrity zookeeper and animal TV show host Jack Hanna has been diagnosed with dementia and will retire from public life, his family said. In a news release Wednesday ...