This article memorializes E. Mavis Hetherington (1926-2023), an eminent developmental psychologist who made major contributions to understanding of children's development. Best known for her longitudinal studies on the impact of divorce on children and families, Hetherington published and lectured widely. Her interests spanned personality and social development, child psychopathology, stress and coping in families, and related topics. (PsycInfo Database Record (c) 2024 APA, all rights reserved).