Thomas L. Friedman. Nicholas D. Kristof's Columns. Damon Winter/The New York Times Nicholas D.
Kristof , a columnist for The New York Times since 2001, writes op-ed columns that appear twice a week. Mr. Kristof won the Pulitzer Prize two times, in 1990 and 2006. Paul Krugman. Paul Krugman joined The New York Times in 1999 as a columnist on the Op-Ed Page and continues as professor of Economics and International Affairs at Princeton University.
Mr. Krugman received his B.A. from Yale University in 1974 and his Ph.D. from MIT in 1977. He has taught at Yale, MIT and Stanford. At MIT he became the Ford International Professor of Economics.