Gerald McGrath

Gerald McGrath is professor emeritus, geography, Queen's University, and previously held the chair of cartography at the International Institute for Aerospace Survey and Earth Sciences, The Netherlands. Louis Sebert was a retired officer from the Army Su

Gerald McGrath is professor emeritus, geography, Queen's University, and previously held the chair of cartography at the International Institute for Aerospace Survey and Earth Sciences, The Netherlands. Louis Sebert was a retired officer from the Army Su See less