R. S. Clymo is Professor Emeritus at, and Honorary Fellow of, Queen Mary, University of London. His distinguished career spans four decades and includes experience as researcher, teacher, reviewer and editor of scientific journals. He has authored or co-authored numerous papers and journal articles, as well as a manual of water analysis. He is an Honorary Member of the British Ecological Society, Honorary Doctor of the University of Lund, and Bronze Medallist of the University of Helsinki.