E. Willard and Ruby S. Miller Professor of Geography, Penn State. Director, Online Geospatial Education programs & GeoGraphics Lab. Chair, AAG Cartography & Mapping Specialty Group. Vice Chair, ICA Commission on Geovisualization. Past President of NACIS. .. more

E. Willard and Ruby S. Miller Professor of Geography, Penn State. Director, Online Geospatial Education programs & GeoGraphics Lab. Chair, AAG Cartography & Mapping Specialty Group. Vice Chair, ICA Commission on Geovisualization. Past President of NACIS.