Geoffrey C. Bowker and Susan Leigh Star’s Sorting Things Out: Classification and Its Consequences advances a profoundly interdisciplinary critique of classification as one of the constitutive yet largely invisible infrastructures of modernity. Rather than treating categories as neutral epistemic instruments, the authors demonstrate that classification systems function as historically contingent socio-technical arrangements through which institutions stabilise authority, distribute resources, and regulate human identities. Their central proposition is encapsulated in the assertion that “to classify is human”: every social order depends upon systems of segmentation, codification, and standardisation that silently organise everyday existence, from bureaucratic paperwork and medical diagnoses to racial taxonomy and digital information architectures. The introductory chapters show how classifications become materially embedded within infrastructures so thoroughly naturalised that their political and ethical dimensions disappear from ordinary consciousness. Bowker and Star therefore insist that categories are never innocent; each system simultaneously privileges particular forms of knowledge while silencing others, thereby generating what they characterise as both advantage and suffering. Particularly illuminating is their analysis of the International Classification of Diseases (ICD), whose successive revisions reveal not scientific consensus but persistent negotiations among conflicting ontologies, national interests, insurance systems, and cultural understandings of illness. The historical materials reproduced in the text—including nineteenth-century cholera maps and mortality tables cataloguing deaths by “grief,” “King’s Evil,” or “wolves”—demonstrate that classifications are mutable historical artefacts rather than objective mirrors of reality. The authors further introduce the concept of boundary objects, entities capable of traversing heterogeneous social worlds while maintaining operational coherence across them. Ultimately, the work reframes infrastructures not as merely technical systems but as moral and political architectures whose invisibility grants them extraordinary social power. Bowker and Star thereby transform classification from a mundane administrative procedure into a central analytical category for understanding modern governance, epistemology, and institutional violence.
Bowker, G.C. and Star, S.L. (1999) Sorting Things Out: Classification and Its Consequences. Cambridge, MA: MIT Press.
