Steven Levitt (born 1967) is an American economist best known for his work on crime, in particular on the link between legalized abortion and crime rates. Winner of the 2003 John Bates Clark Medal, he is the director of the Initiative on Chicago Price Theory at the University of Chicago, and the co-author of the bestselling popular book Freakonomics (2005).
Web Site: http://www.freakonomics.com/