John C. Crowell

John C. Crowell was an American geologist who lived from 1917 to 2015 and taught at UCLA before co-founding the Environmental Studies Program at the University of California, Santa Barbara, known for research on tectonics, sedimentation and the geology of California, including detailed studies of the San Andreas Fault, pull-apart basins and the origin of pebbly mudstones. He also studied ancient glaciations on multiple continents, and served in the Second World War as a meteorologist, earning a Bronze Star for his D-Day weather predictions. He was a Guggenheim Fellow from 1953 to 1954 and was elected to the American Academy of Arts and Sciences in 1980 and the National Academy of Sciences in 1981; Mount Crowell in Antarctica is named for him. He received the Penrose Medal in 1995.