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John Pojeta, Jr.
Dale A. Springer
American Geological Institute
The Paleontological Society
About the Authors
John Pojeta, Jr. has been an active paleontologist Dale A. Springer is a
since 1957. He is a Scientist Emeritus with the . paleontologist and Professor
Geological Survey (USGS) and Research Associate of Geosciences at Bloomsburg
with the Department of Paleobiology, Smithsonian University in Bloomsburg,PA. She
Institution. He earned his . degree at Capital earned her . degree at Lafayette Trilobite
University, Bexley, OH, majoring in biology and College, Easton, PA, her . degree (Ordovician)
chemistry and earned his . and . degrees at the University of Rochester, NY, and
from the University of Cincinnati, majoring in geol- her . at Virginia Polytechnic Institute
ogy and paleontology. In 1963, he joined the USGS, and State University, Blacksburg. She was a visit-
Branch of Paleontology and Stratigraphy, where he ing faculty member at Amherst and Smith Colleges
spent his career. His research has centered on early before joining the Bloomsburg faculty in 1985.
Paleozoic mollusks, and has taken him to many Her major research interest lies in understanding the
American states, Antarctica, Australia, Canada, factors controlling temporal and spatial changes in
China, Czech Republic, Senegal, Sweden, United fossil and modern marine munities.
Kingdom, and elsewhere. He has been Secretary and Dr. Springer has a long standing interest in geo-
President of The Paleontological Society; President science education. She has served as Chairperson of
of the Paleontological Research Institution; Chief, the Paleontological Society’s mittee,
Branch of Paleontology and Stratigraphy, USGS; as well as on mittees of the American
and a member of the National Academy of Sciences Geological Institute.
Committee on Paleontological Collecting.
Credits
Front cover — Adapted from “Fossils Through Time,” a Pages