R. Craig Kochel is Professor of Geology at Bucknell University, where he helped found the Environmental Center. His areas of research include fluvial geomorphology, hydrology, geologic hazards, and planetary geology. His books include Process Geomorphology with (Jerry Miller and Dale Ritter), Sapping Features of the Colorado Plateau: a Comparative Planetary Geology NASA Field Guide (with Alan D. Howard), and Flood Geomorphology (with Victor Baker and Peter Patton). He has conducted research in Alaska, New Zealand, Iceland, Chile, and many parts of the western and eastern United States.