Ernest Burgess

Ernest Watson Burgess (1886–1966) was an American sociologist whose research shaped urban sociology, family studies, and criminology.

Concentric zone model: A model of urban growth that describes cities as expanding through rings around a central business district. Burgess developed this influential account of Chicago’s spatial growth with Robert E. Park.
Family life cycle: The sequence of stages families commonly pass through as members and relationships change over time. Burgess studied how family roles and relationships change across stages of family development.
Robert E. Park: An American sociologist whose research and teaching helped establish the Chicago School of sociology. Park collaborated with Burgess on urban research and coauthored a foundational sociology textbook.
Sociology: The systematic study of social relationships, institutions, and collective life. Burgess used sociological research to connect individual lives with family and urban structures.
Sector model: A model of urban structure in which land uses and social groups extend outward in sectors from the city center. Homer Hoyt’s model challenged the idea that urban growth proceeds mainly through concentric rings.
Chicago School (sociology): A sociological tradition associated with the University of Chicago and research on urban life, social interaction, and change. Burgess helped make its city-based, empirical approach influential.
Marriage and family: The social institutions and relationships organized around marriage, kinship, and household life. Burgess’s family research examined marriage as an evolving relationship rather than a fixed institution.
Roderick D. McKenzie: An American sociologist associated with human ecology and the early Chicago School. McKenzie, Park, and Burgess developed ecological approaches to studying cities.
Social ecology: The study of relationships between social groups and the environments they inhabit. This framework supplied concepts for analyzing how groups occupied and reshaped city space.
Multiple nuclei model: A model of urban structure in which several centers organize land use and growth. Harris and Ullman proposed multiple urban centers as an alternative to Burgess’s single-center pattern.

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