Judith Wallerstein (December 27, 1921 – June 18, 2012) was a psychologist and researcher who created a 25-year study on the effects of divorce on the children involved. She received a number of prominent awards and honors and wrote four best selling books.Judith Wallerstein was born on December 27, 1921 as Judith Hannah Saretsky in New York City. Her father died from cancer when she was 8 years old. Wallerstein received her bachelor's degree from Hunter College (1943), her Master's in social work from Columbia University (1946) and her Doctorate in psychology from Lund University in Sweden (1978). She died at 90 years old June 18, 2012 from an unexpected intestinal obstruction in Piedmont, California. She was married for 65 years to the academic Robert S. Wallerstein.