Jack Hanna announces retirement; Long-time face of the Columbus Zoo stepping back at end of 2020 - Galion Inquirer
Lions, tigers and an unbearable year at Jack Hanna's zoo | The Blade
Columbus Zoo and Aquarium - Jack Hanna
Jack Hanna: What Zoo Critics Don't Understand | Time
Columbus Zoo's Jack Hanna included in 'The Conservation Game'
Jack Hanna to Step Away From Public Life Following Dementia Diagnosis | Complex
/cloudfront-us-east-1.images.arcpublishing.com/gray/AARI2BIXBJAEDLAP3FFMFDE4G4.jpg "Jungle' Jack Hanna to retire from Columbus Zoo after 42 years")
Jungle' Jack Hanna to retire from Columbus Zoo after 42 years
Jack Hanna — Dispatch Shows
Former Columbus Zoo director Jack Hanna diagnosed with dementia, family says | 10tv.com
Jack Hanna's antics on TV put Columbus Zoo in national spotlight - Jack Hanna
Jack Hanna, a Knoxville native, plans to retire from Columbus Zoo
Jack Hanna
Jack Hanna, Animal Expert and Columbus Zoo Director, Diagnosed with Dementia | PEOPLE.com
Jack Hanna defends Cincinnati Zoo's decision to kill gorilla
Wildlife ambassador Jack Hanna brings stories, critters to Genesee - Chicago Tribune
The Wilds - Jack Hanna
Oregon Zoo curator speaks of Jack Hanna's impact on animal conservation | KATU
ENTER TV-JACKHANNA 2 OR – The Lantern
Jack Hanna Has Dementia, His Family Says - The New York Times
Jack Hanna (@JungleJackHanna) / Twitter
Jack Hanna will retire from Columbus Zoo in Ohio after 40 years at end of year - ABC13 Houston
