John Tullock, originally from Eastern Tennessee, is a lifelong gardener with special interests in orchids and environmentally sound aquarium fish-keeping. John taught college-level biology after graduating with his Master's Degree in ecology and evolutionary biology from the University of Tennesse. He founded the Aquatic Specialists (1987) and the American Marinelife Dealers Association. John continues to practice and promote 'sustainable, self-sufficient living in the urban environment.'