Alan S. Miller was Professor of Social Psychology in the Department of Behavioral Sciences at Hokkaido University, Japan, and Affiliate Associate Professor of Sociology at the University of Washington. He died in 2003. Satoshi Kanazawa is Reader in Management and Research Methodology at the London School of Economics and Political Science. His work has been widely featured in The New York Times, The Washington Post, The Los Angeles Times, The Boston Globe, The Times (London), Time, and Psychology Today, and on National Public Radio's "All Things Considered."