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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...