Roy F. Baumeister (born May 16, 1953) is a Francis Eppes Professor of Psychology at Florida State University in Tallahassee, Florida. He is a social psychologist who is known for his work on the self, social rejection, belongingness, sexuality, self-control, self-esteem, self-defeating behaviors, motivation, aggression, consciousness, and free will. He has authored 500 publications and has written, co-written, or edited almost 30 books. John Tierney is an American journalist and author who has worked for the New York Times since 1990. He writes a science column, Findings.