Paul K. Link was a professor of geology at Idaho State University (ISU) from 1980 to 2020. He has a BS from Yale, a BSc (Hons) from the University of Adelaide, South Australia, and a PhD from the University of California, Santa Barbara. Before coming to ISU, he was a mountaineering instructor at the National Outdoor Leadership School in Lander, Wyoming, and he returned to the Wind River Range in the 1980s to conduct geological research with students. For 15 years he directed the ISU Geology Field Camp at the Lost River Field Station north of Mackay, Idaho. He is coauthor of the Geologic Map of Idaho, published in 2012 by the Idaho Geological Survey, and Rocks, Rails, and Trails, published by the Idaho Museum of Natural History.