Jack Hanna
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"John Bushnell "Jack" Hanna" is an United States/American zookeeper who is the Director Emeritus of the Columbus Zoo and Aquarium. He was Director of the zoo from 1978 to 1993, and is viewed as largely responsible for elevating its quality and reputation. His media appearances, particularly with David Letterman, have made him one of the most notable animal experts in the United States. Hanna, nicknamed "Jungle Jack", is known for his khaki safari outfit, deep tan, and Southern accent.

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