When Ken Allen died in 2000, the San Diego Union-Tribune ran an obituary: "Beloved ape, 29, was renowned escape artist." Yes, Ken Allen wasn't just any primate. The Bornean orangutan, born at the San Diego Zoo in 1971, became famous after a series of escapes in the 1980s. According to the zoo's website, "He never seemed to mind being led back into his enclosure — he just seemed to enjoy the challenge of finding a new way out!"
