Liquid Medium is a free online magazine for marine aquarists, with an emphasis on the keeping of reef aquariums. This is a different kind of magazine though, as it is written for hobbyists with all levels of experience, and is not produced with making a profit in mind. It's also different because essentially all of the content is produced by just two people - James Fatherree, M.Sc. and David Flanigan, Ph.D.

James is a science instructor at Hillsborough Community College in Tampa, Florida, where he teaches Earth Science, Environmental Science, and Astronomy. But, he is also an avid and experienced marine aquarium hobbyist, photographer, and writer. He's been into aquariums since childhood and has been keeping marine aquariums since 1991. He has managed a large aquarium shop and worked as a diver/collector for an aquarium livestock wholesaler, too. In addition, James has been writing magazine articles for aquarium periodicals in the U.S. and Europe since 1997, has been a monthly columnist and photographer for Tropical Fish Hobbyist magazine since 1999, and has written and illustrated 6 books on marine aquariums and reef organisms, with a seventh in the works.

David is also a science instructor at H.C.C., where he teaches Modern Chemistry and Organic Chemistry I and II. He's been keeping aquariums since his college days, but made the move into reef aquariums since then. Being a chemist, Dave has a particular interest in marine aquarium chemistry.