Richard A. Schultz is Professor of Geological Engineering and Geomechanics at the University of Nevada, Reno, where he teaches courses in geology, rock mechanics, and planetary science. He has served on the IUGS Commission on Comparative Planetology, as associate editor for the Journal of Geophysical Research, guest editor for the Journal of Structural Geology, and co-editor of the 35th U.S. Symposium on Rock Mechanics and the 33rd Symposium on Engineering Geology and Geotechnical Engineering, with visiting professorships at Woods Hole Oceanographic Institution and the University of Paris. His...