Karl Pillemer

Karl Pillemer, Ph.D., is one of America's foremost gerontologists and family sociologists. He is a professor of human development at Cornell University. He founded the Marriage Advice Project, which surveyed hundreds of older Americans on their advice on love and marriage. He is the author of a number of books, including "30 Lessons for Living: Tried and True Advice from the Wisest Americans," and "30 Lessons for Loving: Advice from the Wisest Americans on Love, Relationships, and Marriage."