Harm J. de Blij (see IJ (digraph); closest pronunciation: "duh blay") (1935–2014) was a geographer. He was a geography editor on ABC's Good Morning America and an editor of National Geographic magazine and the author of several books, including Why Geography Matters. Dr. de Blij was a Distinguished Professor of Geography at Michigan State University. He held the George Landegger Chair in Georgetown University's school of Foreign Service and the John Deaver Drinko chair of geography at Marshall University; he also taught at the Colorado School of Mines and the University of Miami.