George B. Schaller American environmental conservationist and author Also known as: George Beals Schaller Written by Don Vaughan Don Vaughan is a freelance writer based in Raleigh, North Carolina. Don Vaughan Fact-checked by Britannica Editors 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.... Britannica Editors Last updated June 5, 2026 •History George B. Schaller (born May 26, 1933, Berlin, Germany) is an American environmental conservationist and author who is considered one of the world’s greatest field biologists. Schaller has been instrumental in establishing wildlife sanctuaries around the world, using his research and writing to advocate for the protection of ecosystems and the creation of conservation areas that sometimes span national borders. His decades of field research on mountain gorillas, giant pandas, big cats, and other charismatic...

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