Jack Hanna
FILE—This file photo from May 22, 2014, shows Jack Hanna, Director Emeritus of the Columbus Zoo and Aquarium, right, Betty White, actress and longtime animal advocate at the grand opening of the Heart of Africa exhibit at the Columbus Zoo & Aquarium in Powell, Ohio. Hanna's family said Wednesday, April 7, that the celebrity zookeeper and frequent talk-show guest has been diagnosed with dementia and will retire from public life. In a news release they said it's believed he now has Alzheimer's disease and it has progressed very quickly in the last few months. The 74-year-old Hanna was director of the Columbus Zoo from 1978 to 1992. (Jonathan Quilter/The Columbus Dispatch via AP, File)
Celebrity zookeeper Jack Hanna diagnosed with dementia

Apr. 07, 2021 02:10 PM EDT