Jack Bushnell Hanna, commonly known as “Jungle Jack,” is a retired American zookeeper and former director emeritus of the Columbus Zoo and Aquarium. His tenure as director from 1978 to 1992 marked a transformative period for the zoo, elevating its quality and reputation significantly. Under his leadership, the Columbus Zoo transitioned from a run-down facility to a nationally acclaimed zoological park, with annual attendance increasing by over 400%. Hanna’s commitment to improving animal habitats and public engagement was evident as he implemented educational programs and hosted events that attracted community support and funding.

Hanna’s media presence played a crucial role in his career, making him one of the most recognized animal experts in the United States. His engaging live animal demonstrations on shows like Good Morning America and Late Night with David Letterman brought national attention to the Columbus Zoo. Additionally, he hosted several television series, including Jack Hanna’s Animal Adventures and Jack Hanna’s Into the Wild, which showcased wildlife and conservation efforts, further solidifying his status as a beloved figure in animal education.

In addition to his television work, Hanna authored numerous books aimed at children and adults, sharing his passion for wildlife and conservation. His autobiography, Monkeys on the Interstate, published in 1989, reflects his journey and dedication to animal welfare. Hanna’s contributions to the field have been recognized with several honorary doctorates and awards, including the R. Marlin Perkins Award for Professional Excellence from the Association of Zoos and Aquariums.

After retiring from the Columbus Zoo in 2020, Hanna faced personal challenges, including a diagnosis of Alzheimer’s disease in 2021. Despite these challenges, his legacy in wildlife conservation and education continues to inspire many. Hanna’s work has not only transformed the Columbus Zoo but has also raised awareness about animal welfare and conservation on a national scale, making him a cherished figure in the field of zoology.