Brenner, N. and Schmid, C. (2017) ‘Elements for a New Epistemology of the Urban’, in Hall, S. and Burdett, R. (eds.) The SAGE Handbook of the 21st Century City. London: SAGE, pp. 47–66.

Neil Brenner and Christian Schmid’s ‘Elements for a New Epistemology of the Urban’ argues that contemporary urbanisation can no longer be understood through the inherited image of the city as a bounded settlement opposed to countryside, wilderness or hinterland. Their central claim is that the urban is not an empirical object but a theoretical category, meaning that it must be constructed through concepts rather than simply observed as a visible form. Against city-centred approaches, they propose planetary urbanisation as a framework for understanding how capitalism reorganises territories far beyond dense metropolitan cores. Mines, logistics corridors, data centres, agro-industrial zones, energy grids, waste sites, oceans and former wilderness areas are all incorporated into urban processes because they sustain the metabolism of distant agglomerations. The chapter distinguishes concentrated urbanisation, where people, infrastructure and capital cluster in cities; extended urbanisation, where remote landscapes are operationalised to support urban life; and differential urbanisation, where inherited spatial arrangements are repeatedly destroyed and remade. This triad is crucial because it shows that the urban is a process, not a fixed form. The authors also insist that urbanisation is multidimensional, involving spatial practices, territorial regulation and everyday life. This means that the urban is produced not only through buildings and infrastructures, but also through governance, labour, displacement, routine and struggle. Ultimately, Brenner and Schmid make an epistemological and political intervention: if urbanisation has become planetary, then urban theory must abandon the rural/urban binary and analyse the uneven, contested networks through which contemporary life is organised. The urban is therefore not merely where people live; it is the planetary fabric through which capitalism extracts, connects, regulates and transforms the world.

Rossi, A. (1982) The Architecture of the City. Cambridge, MA and London: MIT Press.

Aldo Rossi frames the city as a collective artefact whose architecture accumulates historical duration, civic meaning and psychological resonance. In the uploaded excerpt, Peter Eisenman’s introduction clarifies that Rossi’s project treats the city as an autonomous object of knowledge, composed of urban artefacts that persist through time while absorbing changing uses, memories and symbolic values. The visual material on page 2, juxtaposing the amphitheatre at Nîmes with Daedalus’ labyrinth, condenses Rossi’s analogical method: architecture becomes intelligible through correspondences between form, myth, permanence and urban destiny . Rossi’s central proposition turns on permanence, understood as the capacity of certain monuments, plans and urban fragments to survive functional change and become repositories of collective consciousness. The case study of the locus is especially decisive: Eisenman presents it as a component of the individual artefact, determined by space, time, topography, form and memory, through which the city transforms from physical settlement into a legible structure of human experience. In this sense, the city appears as a theatre of accumulated lives, where monuments, streets and districts operate as mnemonic instruments, preserving traces of civic identity while enabling future transformations. Rossi’s urban theory therefore gives architectural form a disciplinary dignity beyond immediate utility: type, monument and analogy become instruments for reading the city as both material fabric and historical mind. Ultimately, The Architecture of the City establishes urban architecture as a house of memory, where the endurance of form sustains the collective will of history. 

Mumford, L. (n.d.) The City in History: Its Origins, Its Transformations, and Its Prospects. Spanish translation.

Lewis Mumford defines the city as a historical organism of human association, shaped by symbolic, domestic, economic and political energies. From the preface onwards, his inquiry moves from the archaic city conceived as “symbolically, a world” towards the modern world converted, in practical terms, into a city, thereby establishing a comprehensive genealogy of urban forms and their civilisational possibilities . His central proposition locates the origin of urbanity in the sanctuary, the cemetery, the cave, the village and the ritual place of assembly, where humanity first rehearsed civic institutions through memory, pilgrimage, art and reverence for the dead. The Neolithic village becomes the decisive case study: Mumford presents it as the matrix of permanence, nurture, storage, neighbourliness and cooperation, from which the house, granary, cistern, altar and public way gradually emerged. The city thus appears as a container of containers: a condensation of material techniques, ecological adaptations and moral bonds. Its historical development culminates in the tension between Megalopolis, with its vast administrative and technological apparatus, and the humanly scaled city capable of sustaining organic community. In conclusion, Mumford calls for an urban image that integrates technology, memory and personhood, so that the city may serve as an instrument of human fulfilment, civic continuity and cultural renewal. 

Hayles, N.K. (2017) Unthought: The Power of the Cognitive Nonconscious. Chicago: University of Chicago Press.

N. Katherine Hayles’s Unthought: The Power of the Cognitive Nonconscious radically revises inherited assumptions about cognition by arguing that thought is not confined to conscious human reflection but distributed across nonconscious, biological, and technical processes. In the opening chapter, Hayles distinguishes thinking from cognition: thinking refers to higher mental operations such as reasoning, abstraction, and verbal formulation, whereas cognition is a broader faculty of interpreting information in ways that enable adaptive action. This distinction permits her to include humans, animals, plants, and technical systems within a wider ecology of cognitive activity, without reducing all cognition to human self-awareness. Her concept of the cognitive nonconscious is especially significant because it names the rapid, embodied, interpretive processing that precedes consciousness and makes conscious thought possible. For instance, she notes that nonconscious cognition processes sensory and environmental information faster than consciousness, enabling action before reflective awareness intervenes. A specific case study emerges in her discussion of technical cognition, where automated systems parse information, make selections, and generate outcomes through programmed yet adaptive processes. Such systems do not “think” like humans, but they participate in cognitive assemblages that bind people, machines, environments, and infrastructures into dynamic interpretive networks. Hayles therefore compels the humanities to abandon anthropocentric models of mind and to recognise cognition as relational, material, and distributed. Her conclusion is not that consciousness is obsolete, but that it is only one layer within a larger architecture of meaning-making.

 

Caldeira, T.P.R. (1996) ‘Fortified enclaves: The new urban segregation’, Public Culture, 8, pp. 303–328.

Teresa P. R. Caldeira defines fortified enclaves as privatised, enclosed, and monitored spaces for residence, consumption, leisure, and work, produced through walls, surveillance, guards, controlled access, and the rhetoric of security. These spaces transform urban segregation by replacing older centre–periphery divisions with a fragmented landscape in which rich and poor may live physically near one another while remaining socially separated by visible barriers. In São Paulo, Caldeira shows how economic crisis, democratic transition, urban restructuring, fear of crime, and rising police violence generated a city of walls where the affluent retreat into protected condominiums, malls, and office complexes. The case of closed residential condominiums is especially revealing: real-estate advertisements sell isolation, homogeneity, services, leisure, nature, and “total security” as markers of prestige, turning separation itself into a status symbol. These enclaves do more than protect; they reorganise public life by withdrawing elite sociability from streets and squares, leaving public space to those excluded from private worlds. Caldeira’s comparison with Los Angeles demonstrates that this is a global urban form, though São Paulo makes its inequalities unusually explicit through armed guards, fences, and stark proximity between luxury and poverty. The political consequence is profound: public space, once associated with openness, circulation, encounter, and democratic citizenship, becomes fractured by suspicion and exclusion. Caldeira’s contribution lies in showing that fortified urbanism corrodes citizenship by teaching social groups to inhabit separate worlds rather than recognise one another as co-citizens. 

Wilson, M.O. (n.d.) ‘Future Memory: Space, Monumentality and Images of Blackness’ [draft].

Mabel O. Wilson defines future memory as a political relation between black historical consciousness, spatial exclusion, and forms of monumentality that anticipate action still to come. African American memory, shaped by slavery and Jim Crow segregation, emerges through oratory, music, photography, temporary exhibition halls, and counter-public spaces as much as through permanent stone or bronze. Wilson’s argument develops through the figure of Frederick Douglass, whose monument in Rochester and repeated appearance in Negro Buildings and international exhibitions transformed black achievement into public evidence against racist narratives of incapacity. Douglass becomes a case of black monumentality: his image, speeches, and photographic circulation produce memory as a demand for emancipation, equal treatment, and future justice. Wilson then turns to Carrie Mae Weems’s Roaming series, where the black female figure stands before Roman monuments, pyramids, gates, fascist architecture, and imperial urban space. In these images, photography itself becomes a monument: it marks time, witnesses power, and inserts black subjectivity into histories from which it has been excluded. The monument therefore operates as a time machine, synchronising past and present while asking who is authorised to inhabit history. Wilson’s contribution lies in showing that black monumentality is not merely commemorative; it is a critical practice that contests historical exclusion and imagines political futures. 

The Quiet Performance of Structure

A field does not become real when it is declared. It becomes real when its structures begin to act with enough consistency that they no longer appear incidental. This is the point at which support stops looking secondary and starts behaving like form. The quiet performance of structure names that threshold. It describes a condition in which a project does not only produce texts, concepts, images, or archives, but also constructs the channels through which those elements persist, recur, and acquire public consequence. In such a condition, infrastructure is not merely what holds the work after the fact. It becomes part of the work’s operative surface. A scattered set of posts becomes a series. A series becomes a corpus. A corpus becomes a navigable field. A field becomes a semantic object that can be found, traversed, cited, and returned to. At each stage, the project does not simply expand; it is reconstituted through support. Structure begins to perform.

Roy, A. (2005) ‘Urban informality: Toward an epistemology of planning’, Journal of the American Planning Association, 71(2), pp. 147–158.

Ananya Roy defines urban informality as a mode of metropolitan urbanisation rather than a marginal sector separate from the formal city. Informality organises housing, land, labour, infrastructure, and property through flexible relations of legality and illegality, making it central to contemporary urban growth. Roy’s argument redirects planning theory towards cities of the Global South, where informal settlements, elite subdivisions, peri-urban expansion, and irregular land markets reveal how the state actively produces the state of exception. Planning power determines which illegalities are tolerated, upgraded, regularised, demolished, or protected, thereby transforming informality into an instrument of urban governance. A specific case emerges in land titling and slum upgrading policies: formalisation promises market access and security, yet it can intensify displacement, debt, gendered hierarchy, and unequal property ownership. Roy’s discussion of the “politics of shit” offers a sharper alternative, since infrastructure becomes a political process shaped by residents’ knowledge rather than a merely technical improvement imposed from above. Her comparison of Third World informality policy with American poverty policy also shows that planning repeatedly treats poverty as a spatial disorder to be corrected, while deeper questions of wealth distribution remain unresolved. The conclusion is decisive: urban informality teaches planners to move from land-use order towards distributive justice, from best-practice models towards critique, and from property rights towards the right to the city.

Porter, T.M. (1995) Trust in Numbers: The Pursuit of Objectivity in Science and Public Life. Princeton, NJ: Princeton University Press.

Theodore M. Porter defines quantification as a technology of trust that allows science, administration, and public life to operate across distance. Numbers, graphs, formulas, standards, and explicit rules create an impersonal language through which decisions appear fair, transportable, and independent of personal judgement. Porter’s central concept, mechanical objectivity, describes this reliance on procedures that restrain discretion and reduce suspicion: the authority of numbers grows precisely where trust in individuals, experts, or institutions becomes fragile. His argument develops through the relation between science, bureaucracy, and public legitimacy. In contexts of conflict or institutional vulnerability, numerical methods make decisions defensible because they seem to follow rules rather than interests. A clear case appears in cost-benefit analysis, accounting, actuarial calculation, and public administration, where officials use quantitative criteria to justify choices before distant publics and critical outsiders. The table of contents reinforces this architecture: Porter moves from “Power in Numbers” to “Technologies of Trust” and finally to “Political and Scientific Communities”, showing that objectivity is social, moral, and institutional as well as epistemic. Quantification therefore functions as a disciplined form of communication: it standardises judgement, travels beyond local knowledge, and makes authority appear neutral. Porter’s contribution lies in showing that modern societies trust numbers because numbers promise impartiality where personal authority has become contestable. 

Bush, V. (1945) ‘As We May Think’, The Atlantic Monthly, July, pp. 101–108.

Vannevar Bush’s seminal essay As We May Think constitutes one of the foundational conceptual documents of contemporary information culture, anticipating hypertext, networked databases, and digital knowledge systems decades before the emergence of personal computing or the Internet. Written in 1945 at the conclusion of the Second World War, the essay begins from a profound anxiety regarding the accelerating expansion of scientific knowledge and humanity’s growing incapacity to navigate its own informational abundance. Bush argues that the central crisis of modern science is no longer the production of data but the inability to organise, retrieve, and meaningfully connect the proliferating “mountain of research” generated by specialised disciplines. Traditional indexing systems, grounded in alphabetical or hierarchical ordering, appear increasingly inadequate because they fail to mirror the actual operations of human cognition. Against this rigidity, Bush proposes the revolutionary principle of associative indexing, insisting that the human mind operates through dynamic relational pathways rather than linear taxonomies. His speculative solution, the celebrated memex, is envisioned as a mechanised archival desk capable of storing vast microfilmed repositories while enabling users to create personalised associative “trails” linking disparate texts, images, annotations, and records. These trails effectively prefigure hyperlinks, digital annotation systems, and nonlinear navigation structures characteristic of contemporary cyberspace. Particularly remarkable is Bush’s insistence that knowledge should become collaborative, cumulative, and infrastructural, allowing scholars to inherit not merely isolated texts but entire architectures of thought constructed by previous researchers. The essay simultaneously anticipates speech recognition, wearable cameras, automated information retrieval, and machine-assisted cognition, all conceived as extensions of human memory rather than replacements for intellectual creativity. Yet Bush’s ultimate concern remains deeply humanistic: technological systems should liberate thought from repetitive informational labour so that creative and analytical capacities may flourish. Consequently, As We May Think stands not merely as a technological prophecy but as an epistemological manifesto arguing that civilisation’s survival depends upon constructing infrastructures capable of transforming information overload into meaningful associative knowledge.

Latour, B. (1990) ‘Drawing Things Together’, in Lynch, M. and Woolgar, S. (eds.) Representation in Scientific Practice. Cambridge, MA: MIT Press, pp. 19–68.

Bruno Latour’s Drawing Things Together radically reconceptualises scientific knowledge by arguing that the authority of science does not arise primarily from abstract rationality or superior cognition, but from the capacity to produce, stabilise, transport, and accumulate inscriptions. Rejecting both cognitive idealism and naïve realism, Latour proposes that scientific practice depends upon material operations through which complex phenomena are transformed into combinable visual traces—maps, graphs, diagrams, charts, tables, specimens, and texts—that may circulate across vast distances without losing coherence. Central to his argument is the concept of the immutable mobile: an inscription that remains sufficiently stable to preserve information while remaining sufficiently mobile to travel through institutional networks. Through examples ranging from Renaissance perspective drawing and La Pérouse’s navigational charts to geological maps and laboratory instrumentation, Latour demonstrates how power accrues to those capable of gathering dispersed phenomena onto flat surfaces where they can be compared, superimposed, recombined, and manipulated. Particularly influential is his discussion of optical consistency, whereby perspective techniques, printing technologies, cartographic systems, and scientific diagrams create standardised visual spaces enabling objects from radically different contexts to become commensurable. The essay repeatedly insists that scientific “objectivity” emerges not from disembodied observation but from infrastructures of visualisation that permit phenomena to be rendered simultaneously visible and calculable. On pages 36–37, Latour’s discussion of pathology and clinical medicine demonstrates how diseases become intelligible only after inscriptions enable physicians to aggregate and compare cases within centralised institutions. Equally significant is his claim that laboratories function as centres of accumulation where inscriptions from diverse locations are assembled into strategic archives capable of mobilising political, economic, and epistemic authority. Scientific facts therefore succeed not because they transcend mediation, but because they are embedded within durable representational systems that amplify credibility and facilitate circulation. Ultimately, Latour transforms representation itself into a material and logistical achievement, revealing that the history of science is inseparable from the evolution of visual technologies, paperwork, and inscriptional infrastructures through which the world is progressively rendered legible, transportable, and governable.

Desrosières, A. (1998) The Politics of Large Numbers: A History of Statistical Reasoning. Translated by C. Naish. Cambridge, MA and London: Harvard University Press.

Alain Desrosières presents statistical reasoning as a historical and political practice through which societies transform dispersed lives into organised facts. Statistics gives collective existence a measurable form: populations become averages, correlations, samples, classifications, encodings, models, and administrative categories. Its power lies in producing large numbers that appear objective while depending on institutions, conventions, instruments, and state interests. The contents of The Politics of Large Numbers show this intellectual architecture clearly: Desrosières moves from “Arguing from Social Facts” to chapters on averages, correlations, state statistics, representative sampling, classification, encoding, modelling, and adjustment. This sequence reveals statistics as a mode of constructing reality rather than merely recording it. A specific case emerges in the relation between statistics and the state, treated comparatively through France, Great Britain, Germany, and the United States. In this frame, the state uses numerical categories to see society, administer populations, justify decisions, and stabilise public arguments. Statistical objects such as unemployment rates, social classes, averages, and samples become political entities because they organise what can be debated, funded, regulated, or ignored. Desrosières’s decisive contribution lies in showing that numbers acquire authority through social agreements that make them usable as facts. Statistical reasoning therefore operates as a governmental language: it converts plurality into calculable order and turns political judgement into apparently technical evidence. 

Sohn-Rethel, A. (1978) Intellectual and Manual Labour: A Critique of Epistemology. Atlantic Highlands, NJ: Humanities Press.

Alfred Sohn-Rethel’s Intellectual and Manual Labour constitutes one of the most radical attempts within Western Marxism to reconstruct the historical genesis of abstract thought through the material operations of commodity exchange rather than through the autonomous evolution of consciousness. Rejecting the philosophical orthodoxy according to which abstraction is exclusively a mental act, Sohn-Rethel argues that abstraction first emerges practically and socially within the exchange relation itself. Commodity exchange, he contends, requires participants to suspend the concrete use-values of objects in favour of their equivalence as exchange-values; this operation produces what he famously terms “real abstraction”—an abstraction enacted materially through social practice before it becomes conceptualised in thought. The decisive implication is that the formal categories of epistemology, including abstraction, quantification, causality, spatiality, and temporality, originate not in transcendental consciousness, as maintained by Kant, but in historically specific relations of exchange embedded within class society. Sohn-Rethel therefore interprets philosophy, mathematics, and scientific rationality as intellectual superstructures corresponding to the social synthesis generated by commodity circulation. His analysis further links this epistemological formation to the historical division between intellectual and manual labour, arguing that the separation of head from hand becomes institutionalised through systems of appropriation and class domination extending from antiquity to monopoly capitalism. Particularly striking is his claim that the very possibility of “pure thought” depends upon material social relations which conceal their own historical origins. By tracing scientific cognition back to the exchange abstraction, Sohn-Rethel transforms Marx’s critique of political economy into a critique of epistemology itself, thereby exposing modern reason as inseparable from the fetishistic structures of capitalist sociality. Ultimately, the text proposes that a genuinely classless society would require not merely economic transformation but the historical overcoming of the epistemic rupture between conceptual labour and practical production.

Bowker, G.C. and Star, S.L. (1999) Sorting Things Out: Classification and Its Consequences. Cambridge, MA: MIT Press.

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.

Deleuze, G. and Guattari, F. (1987) A Thousand Plateaus: Capitalism and Schizophrenia. Translated by B. Massumi. Minneapolis: University of Minnesota Press.

Gilles Deleuze and Félix Guattari’s A Thousand Plateaus constitutes one of the most radical philosophical interventions of the twentieth century, dismantling the hierarchical logic of Western metaphysics through the formulation of a dynamic ontology of multiplicity, assemblage, and rhizomatic becoming. Rejecting the arborescent epistemologies that organise thought according to origins, binary structures, and transcendent unities, the authors propose the rhizome as an alternative model of connectivity characterised by heterogeneity, non-linearity, and perpetual transformation. Rather than conceiving knowledge as rooted in stable identities or universal truths, Deleuze and Guattari understand reality as an ever-shifting constellation of flows, intensities, and relational forces that continuously deterritorialise and reassemble themselves. Their critique of “State thought” exposes how institutional systems—philosophy, psychoanalysis, linguistics, and political sovereignty—operate through mechanisms of stratification and representational control, whereas nomadic thought privileges experimentation, mobility, and open-ended composition. Particularly influential is their concept of the Body without Organs, which designates a field of potentiality liberated from fixed organisational structures and predetermined functions. Through interdisciplinary excursions into music, biology, geology, linguistics, literature, and political economy, the text performs the very multiplicity it theorises, refusing linear exposition in favour of interconnected “plateaus” that may be entered at any point. The discussion of the rhizome in the introductory section exemplifies this anti-foundational methodology, arguing that meaning emerges not through origins or hierarchy but through transversal connections and machinic relations. Ultimately, A Thousand Plateaus transforms philosophy from a representational discipline into an experimental cartography of forces, wherein thought becomes an act of construction rather than interpretation, and political resistance emerges through the creation of alternative modes of life, relation, and becoming.

Siegert, B. (2015) Cultural Techniques: Grids, Filters, Doors, and Other Articulations of the Real. Translated by G. Winthrop-Young. New York: Fordham University Press.

Bernhard Siegert defines cultural techniques as operative chains through which cultures produce distinctions, subjects, spaces, signs, and realities. Writing, counting, reading, drawing grids, opening doors, measuring time, registering passengers, and filtering signals function as material practices that precede the concepts later attached to them. This approach shifts media theory from the study of communication devices towards the analysis of operations: the repeated actions, tools, routines, and symbolic procedures that organise what a culture recognises as meaningful. Siegert’s argument develops from German media theory, where the material conditions of meaning replace abstract appeals to consciousness, interpretation, or purely human agency. A cultural technique therefore joins bodies, instruments, signs, surfaces, and institutions into a network that generates order. The door offers a precise case study: by opening and closing, it performs the distinction between inside and outside, turning architecture into a symbolic machine. The grid provides another crucial example, since it links representation with spatial rule, allowing land, images, cities, and colonial territories to be divided, planned, and governed. In this sense, cultural techniques articulate the real by producing visible, repeatable, and administrable differences such as human/animal, signal/noise, sacred/profane, and nature/culture. Siegert’s contribution lies in showing that culture emerges through concrete technical acts, and that media are best understood as processes that fabricate the distinctions by which worlds become legible.