Peter D. Ward, Ph.D., is a paleontologist and professor of Geological Sciences at the University of Washington in Seattle. He is currently examining the nature of the Cretaceous-Tertiary extinction event with studies in France and Spain involving detailed field work that concentrates on ammonites and bivalves. Ward is also researching speciation patterns and ecology of the living cephalopods Nautilus and Sepia and examining the stratigraphic history of West Coast Cretaceous basins through detailed biostratigraphy and basin analysis. He is author of On Methuselah's Trail: Living Fossils and the Great Extinctions and The Natural History of Nautilus.
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