Michael E. Q. Pilson is Emeritus Professor of Oceanography at the Graduate School of Oceanography, University of Rhode Island and has taught a course on chemical oceanography for most of the past 40 years. For some years, he directed the Marine Ecosystems Research Laboratory at Rhode Island, conducting experimental study of biogeochemistry in shallow coastal waters. Professor Pilson has published around 90 papers on chemical, physical, biological, ecological and geological aspects of oceanography and has advised students in chemical and biological areas. His broad range of experience has shaped his oceanography course to be accessible and interesting to students with diverse backgrounds, interests and professional goals.