Doug Erwin (shown here trying, as always, to get the most out of life) is a Research Paleobiologist and Associate Curator of Paleozoic Mollucs in the Department of Paleobiology, National Museum of Natural History. His recent book, entitled The Great Paleozoic Crisis: Life Death in the Permian and published by Columbia University Press, is widely regarded as the best single reference to the Permo-Triassic mass extinction currently available. Beneath it all, however, Doug is just a regular guy with interests ranging from the the Cambrian metazoan radiation (especially as this event relates to gastropod evolution), to the interface between phylogenetics and morphometrics.

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