Walter C. Runciman

Walter Garrison "Garry" Runciman (1934–2020), often published as W. G. Runciman, was a British historical sociologist and a senior research fellow at Trinity College, Cambridge. He is especially known for bringing sociology, history, and evolutionary thinking into conversation, and for asking how social institutions, beliefs, and inequalities take shape over time.

Across a long career, he wrote influential books on social theory, social stratification, and the development of societies. Cambridge University Press describes his work as making major contributions to the study of social inequality and to the application of neo-Darwinian ideas to cultural and social selection, themes he developed in works such as The Theory of Cultural and Social Selection.

Runciman also had an unusually varied life beyond the page. Trinity College remembered him as a remarkable all-rounder who balanced academic work with leadership in his family shipping business, a combination that helps explain the breadth and practical edge of his writing.