Professor of Zoology, University of British Columbia, Vancouver. Specializes in evolution, ecology, and conservation of fishes. His work on fishes , usually in rivers, a love of angling, history, and how Nature interacts with human society motivated this work. A short (5 min) video describing the book can be seen by clicking on the author name above or here: https://www.youtube.com/watch?v=k_33OaDTpUI