The American Geological Institute (AGI) is pleased to announce Dr. William R. Muehlberger, Professor Emeritus, Department of Geological Sciences of the University of Texas at Austin, as the recipient of the 2010 Marcus Milling Legendary Geoscientist Medal. Established in 1999, the award is presented to a geoscientist who has demonstrated a long history of scientific achievement and exceptional service to the geoscience profession.