Essentialism manifests itself in a diversity of forms and is used in multiple ways. Yet it is always potentially dangerous — even when it is mobilised strategically and in apparently worthy forms for purposes of overcoming oppressive structures. As the first in a collection of articles focused on various manifestations of essentialism, this article offers a brief historical outline of how social anthropology deployed essentialist thinking, even amongst its canonical exponents. It examines how Durkheimian theorisations and the structuralist traditions to which they gave rise — in particular assumptions of the singular and homogeneous symbolic classification of society — lent themselves to essentialism. It considers the example of South Afric...