Ralph A. Lewin is professor of marine biology at the Scripps Institution of Oceanogra-phy at the University of California at San Diego. He has also taught at several marine-biology labs, was an instructor and special lecturer at Yale, and has lectured on algae, marine microbiology, and biotechnology in various countries, including England, France, Japan, China, and Brazil. His previous publications, several hundred of them, have been mostly academic and technical. He lives in La Jolla, California.