Fred Paillet, Ph.D., joined the Geosciences Department at the University of Arkansas in Fayetteville after retiring from the U.S. Geological Survey in 2002. Before then he was chief of the Borehole Geophysics Research Project and conducted studies in all aspects of borehole geophysics applied to groundwater. He has published numerous papers on the use of geophysical logs and borehole flowmeter data in the characterization of fractured bedrock aquifers.