Justin Erik Halldór Smith (aka Justin E. H. Smith) (born July 30, 1972, in Reno, Nevada) is an American-Canadian professor of history and philosophy of science at the University of Paris 7 - Denis Diderot. His primary research interests include Leibniz, Post-structuralism, early modern philosophy, history and philosophy of biology, classical Indian philosophy, the history and philosophy of anthropology. Smith is the author of several books and is also a sometime contributor to The New York Times, Harper's Magazine, n+1, Slate, and Art in America. Smith is an editor-at-large of Cabinet Magazine.