Complex sentence: John Mordecai Gottman (born April 26,1942) is a professor emeritus in psychology known for his work on marital stability and relationship analysis through scientific direct observations, many of which were published in peer-reviewed literature.
Split into simpler sentences: John Mordecai Gottman (born April 26,1942) is a professor emeritus in psychology. He is known for his work on marital stability and relationship analysis through scientific direct observations, many of which were published in peer-reviewed literature.