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Frank Buck was a 20th-century American animal collector, author, and film producer who captured animals from around the world for zoos, circuses, and private collectors. He was one of the first to bring large mammals back to the United States from Asia, including elephants, tigers, lions, and rhinoceroses. He also wrote several books about his adventures, including Bring'Em Back Alive!, which was made into a film starring Charlton Heston.