Fil Hunter is a highly respected commercial photographer specializing in still life and special effects photographs for advertising and editorial illustration. During a career spanning over three decades, he has worked for such clients as America Online, US News, Time-Life Books, Life Magazine (27 covers), the National Science Foundation, and National Geographic. He has taught photography at the university level and has served as technical consultant on a number of photographic publications. Mr. Hunter has won the Virginia Professional Photographer's Grand Photographic Award three times. He lives in Alexandria, VA.

Paul Fuqua, Virginia, USA, started his own audiovisual production company in 1970. Dedicated to teaching through visuals, he has written and produced educational and training material in a variety of fields, including law, science, and nature. His photography takes him all over the world, but he makes his home in Arlington, VA.

Steven Biver, Virginia, USA, Commercial photographer, former clients include Adobe, Mobil, Newsweek, Black and Decker.