Levitt / Dubner

The Freakonomics blog began as a direct offshoot of the book by the same name. 

Steven D. Levitt is a University of Chicago professor who won the John Bates Clark medal (awarded every two years to the American economist under 40 who has made the greatest contribution to the discipline).  Stephen J. Dubner is a journalist writing for the New York Times and the New Yorker.