While this initially raised public interest, conditions and funds soon deteriorated, and Old Diamond contributed more problems by tearing up his early enclosures.Following an effort by the Knoxville Journal to "Save Old Diamond", Dr. Bill Patterson helped found the Appalachian Zoological Society to oversee the formation of an educational zoo.Television executive Guy Lincoln Smith III bought a lion cub and took care of it until money could be raised a proper facility could be built.[8] In 2017, this section of the zoo was greatly expanded and revitalized as the Boyd Family Asian Trek, containing new habitats for Malayan tigers, white-handed gibbons, silvered leaf langurs, and white-naped cranes.The far eastern area of the zoo by Kids Cove formerly held the original reptile house, along with a few smaller exhibits with otters and birds.This exhibit containing dozens of indoor naturalistic habitats for various reptile and amphibian species, and it is considered to be massive upgrade from the previous version.One such building is the Pilot Flying J Wee Play Adventure, featuring an indoor playground and assorted activities for children along with smaller herpetology exhibits, the most notable being a Komodo dragon.Other habitats feature species such as African wild dogs, red wolves, yellow-backed duikers, and an elderly Lar gibbon.[18] At the end of 2010, Mozilla Foundation—the creator of Firefox web browser—partnered with Knoxville Zoo in an effort to raise awareness about endangered red pandas.On January 14, 2011, zookeeper Stephanie James was killed when one of the zoo's two female elephants, "Edie", pushed her into the side of the indoor stall.