Dr. Ruth K. Westheimer is best known for her pioneering work in the field of media psychology, specifically sex. Her doctorate from Columbia University, however, is in Interdisciplinary Study of the Family, and she has created several books and documentary films investigating the subject. The documentaries on which "The Olive and the Tree" and "Shifting Sands" are based aired on PBS stations across the country. Dr. Ruth teaches seminars at Yale and Princeton and is working on several new books to add to her collection of works on sex.