John H TullockJOHN TULLOCK, a lifetime aquarist, owned a retail and mail-order aquarium business for years. He founded the American Marinelife Dealer Association. Tullock has authored twelve books about aquariums, including Bring Me Home: Saltwater Aquriums Make a Great Hobby and Saltwater Aquarium Models (both from Howell Book House). He holds a master's degree in zoology. Read More Read Less