• Celebrity Zookeeper Jack Hanna Diagnosed With Dementia

    15 days ago - By The Huffington Post

    The 74-year-old Hanna was director of the Columbus Zoo from 1978 to 1992 and still serves as its director emeritus.
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  • Jack Hanna is battling dementia, retiring at 74

    Jack Hanna is battling dementia, retiring at 74

    15 days ago - By New York Post

    The family believes his dementia has progressed to Alzheimer's disease.
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