Michael F. Goodchild Department of Geography University of California Santa Barbara, CA 93106-4060 Phone: (805) 893-8049 Fax: (805) 893-7095 Email: good@geog.ucsb.edu
Karen C. Siderelis Director, North Carolina Center for Geographic Information Analysis Office of State Planning 115 Hillsborough Street Raleigh, NC 27603 Phone: (919) 733-2090 Fax: (919) 715-0725 Email: karen@cgia.state.nc.us
David M. Mark Department of Geography University at Buffalo Box 610023 Buffalo, NY 14261-0023 Phone: (716) 645-2545 Fax: (716) 645-5957 Email: dmark@geog.buffalo.edu
Max J. Egenhofer Department of Spatial Information Science & Engineering University of Maine Orono, ME 04469-2149 Phone: (207) 581-2149 Fax: (207) 581-2206 Email: max@spatial.maine.edu
Eric Sheppard Department of Geography University of Minnesota Minneapolis, MN 55455 Phone: (612) 625-6080 Fax: (612) 625-1044 Email: shepp001@maroon.tc.umn.edu