Dog lovers and Jack ... Hanna, who was director of the Columbus Zoo from 1978 through 1992, became a national celebrity for appearing on talk shows with animals and starring in his own weekly ...

hosted the popular syndicated TV show “Jack Hanna's Animal Adventures” from 1993 to 2008. He also hosted “Jack Hanna's Into the Wild,” which started in 2007, and “Jack Hanna's Wild ...