Helen E. Fisher, PhD, is a research professor and member of the Center for Human Evolutionary Studies in the Department of Anthropology at Rutgers University. She is also Chief Scientific Advisor to Chemistry.com.
Prior to becoming a research professor at Rutgers University, Fisher was a research associate at the American Museum of Natural History in New York City. Fisher has conducted extensive research on the evolution and future of human sex, love and marriage and gender differences in the brain and behavior. She has written four books: ‘Why We Love: The Nature and Chemistry of Romantic Love’ (2004), ‘The First Sex: The Natural Talents of Women and How They are Changing the World’ (1999), ‘Anatomy of Love: The Natural History of Monogamy, Adultery and Divorce’ (1992), and ‘The Sex Contract: The Evolution of Human Behavior’ (1982).
Source - Helen Fisher?s web site, Wikipedia
http://helenfisher.com/
http://en.wikipedia.org/wiki/Helen_Fisher_