Jack Hanna: References & Edit History
Article Contributors
Primary Contributors
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Barbara A. Schreiber
Barbara Schreiber is an Editorial Assistant at Encyclopædia Britannica.
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The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Modified link of Web site: Official Site of Jack Hanna. | Oct 08, 2026 | ||
| Anniversary information added. | Jan 01, 2026 | ||
| Add new Web site: CNN - Interview With Jack Hanna. | Sep 19, 2025 | ||
| Add new Web site: Zoo and Aquarium Video Archive - John ?Jack? Frederick Hanna Interview. | Apr 19, 2025 | ||
| Add new Web site: CNN Entertainment - Jack Hannas Alzheimers has progressed to the point he no longer recognizes most family members. | Nov 13, 2024 | ||
| First paragraph modernization. | May 06, 2024 | ||
| Noted that he had been diagnosed with dementia and was retiring from public life. | Apr 13, 2021 | ||
| Added the series Jack Hanna's Wild Countdown. | Jun 03, 2020 | ||
| Add new Web site: Ohio History Central - Biography of Jack Hanna. | Nov 28, 2018 | ||
| Noted that the TV show Jack Hanna's Animal Adventures ended. | May 10, 2018 | ||
| Add new Web site: Official Site of Jack Hanna. | Jul 04, 2014 | ||
| New article added. | Jul 05, 2012 |
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