Alan S. Miller was a professor of behavioral science at Hokkaido University and an affiliate associate professor of sociology at the University of Washington. He was the coauthor, with Satoshi Kanazawa, of Why Beautiful People Have More Daughters: From Dating, Shopping, and Praying to Going to War and Becoming a Billionaire—Two Evolutionary Psychologists Explain Why We Do What We Do, Why Men Gamble and Women Buy Shoes: How Evolution Shaped the Way We Behave and Order by Accident: The Origins and Consequences of Conformity in Contemporary Japan.

Satoshi Kanazawa is a British-American evolutionary psychologist who is currently a reader in management at the London School of Economics. He is the coauthor, with Alan Miller, of Why Beautiful People Have More Daughters: From Dating, Shopping, and Praying to Going to War and Becoming a Billionaire—Two Evolutionary Psychologists Explain Why We Do What We Do; Why Men Gamble and Women Buy Shoes: How Evolution Shaped the Way We Behave; and Order by Accident: The Origins and Consequences of Conformity in Contemporary Japan.