Robert Waldinger is a psychiatrist, psychoanalyst, and Zen priest. He is Clinical Professor of Psychiatry at Harvard Medical School and directs the Harvard Study of Adult Development, one of the longest-running studies of adult life ever done. The Study tracked the lives of two groups of men for over 78 years and now follows their Baby Boomer children to understand how childhood experience reaches across decades to affect health and wellbeing in middle age.  He writes about what science can teach us about healthy human development.