Rolf Ludvigsen (1944-2016) was a geology professor at the University of Toronto and an adjunct professor in the School of Earth and Ocean Sciences at University of Victoria. He was also a consulting paleontologist, and the founding chair of the British Columbia Paleontological Alliance. He co-authored the popular book West Coast Fossils: A Guide to the Ancient Life of Vancouver Island (Harbour Publishing, 1997) with Graham Beard.