John Mordecai Gottman (born April 26, 1942) is an American psychologist and professor emeritus of psychology at the University of Washington. His research focuses on divorce prediction and marital stability through relationship analyses. Gottman's work has centered on the field of relationship counseling. His focus is on enhanced relationship functioning and mitigation of behaviors detrimental to human relationships. Gottman's work has also contributed to the development of important concepts on social sequence analysis.
https://en.wikipedia.org/wiki/John_Gottman