Paul Krugman, who was named Columnist of the Year by Editor and Publisher magazine, writes a twice-weekly column for the op-ed page of the New York Times. He is a professor of economics and international affairs at Princeton University, and the author or editor of 20 books and more than 200 professional journal articles. In recognition of his work, he has received the John Bates Clark Medal from the American Economic Association, an award given every two years to the top economist under the age of 40. The Economist said he is “the most celebrated economist of his generation.”