Graham Harman

Quick Facts

• Name: Graham Harman
• Lived: 1968-present
• Born: Mount Vernon, Iowa
• Main settings: United States and Egypt; later SCI-Arc in Los Angeles
• Main labels: object-oriented ontology, speculative realism
• Best known for: withdrawn objects, tool-being, real and sensual objects, critique of correlationism
• Major works: Tool-Being, Guerrilla Metaphysics, Prince of Networks, The Quadruple Object, Object-Oriented Ontology

The Big Question

Do things exist only as they appear to humans, or do they have a reality that is deeper than every use, description, measurement, and relation?

Harman's answer is blunt: objects are real, but no relation fully reaches them. A coffee mug is not exhausted by being held, measured, photographed, bought, or broken. Each relation catches a version of it. The mug itself is more than those contacts.

In One Minute

Graham Harman is an American philosopher best known for object-oriented ontology, often shortened to OOO. Ontology means a theory of what exists. Harman argues that the world is made of objects, but he uses "object" broadly: trees, hammers, people, companies, atoms, artworks, fictional characters, and cities can all count as objects if they have some unity of their own.

His main claim is that objects withdraw. Withdrawal means that a thing is never fully present in any encounter. Humans do not fully grasp objects, but neither do other objects. Fire burns cotton, but it only meets cotton as flammable material. It does not meet every feature, history, or possibility of that cotton.

Harman is one of the best-known figures in speculative realism, a loose movement that pushed back against philosophies centered on the human-world relation. He reads Martin Heidegger and Bruno Latour closely, but changes both of them sharply.

What They Taught

Harman taught that philosophy should stop treating objects as secondary. Many theories explain things by reducing them downward to smaller parts, upward to social effects, or sideways to relations. Harman thinks all three moves miss something.

Reducing downward is what he calls undermining. A table is treated as "nothing but" atoms, wood fibers, or physical processes. Harman does not deny the parts. He denies that the parts replace the table. The table can support a book, be inherited, burn, or matter in a memory. Its parts do not do all of that in the same way.

Reducing upward or outward is overmining. A table is treated as "nothing but" its effects, uses, relations, language, or appearance to someone. Harman rejects this too. A table is useful for dining, but it is not only dining-use. It can be ignored for years and still be the table it is.

His early route into this claim comes from Heidegger's tool-analysis in Being and Time. Heidegger says a working hammer usually disappears into use. You hammer with it rather than stare at it. When it breaks, it becomes a visible object of inspection. Harman takes a radical lesson from this: hidden usefulness and visible inspection both miss the thing itself.

This is the root of withdrawal. To withdraw is not to be far away in space. It means the object is deeper than any contact with it. A scientist, a buyer, a termite, and a fire can all meet the same wooden chair in different ways. None of them gets the whole chair.

Harman also rejects correlationism, a term made famous by Quentin Meillassoux. Correlationism is the view that philosophy can only talk about the link between thought and world, never the world apart from that link. Harman agrees this human-centered habit is a problem. Unlike Meillassoux, he does not try to secure access to reality through mathematics. He says all access is indirect, for humans and nonhumans alike.

Key Ideas With Examples

• Object-oriented ontology: Harman's theory that objects are the basic focus of philosophy. An object is not just a solid physical thing. A song, a university, a fictional detective, a rock, and a person can all count as objects.

• Withdrawal: the claim that every object is more than any relation to it. A banana is not exhausted by being eaten by a person, digested by an animal, measured by a chemist, or painted by an artist.

• Real object: the object as it exists beyond direct access. The real chair is not simply the chair as seen, touched, priced, or described.

• Sensual object: the object as it appears within an encounter. The chair you see in a dim room, the chair you sit on, and the chair in a memory are sensual objects: versions of the chair inside a relation.

• Real qualities and sensual qualities: real qualities belong to the object's hidden depth; sensual qualities are features that show up in experience or contact. The smoothness you feel on a table is sensual. The table's deeper powers are never fully displayed at once.

• Vicarious causation: Harman's name for indirect interaction between objects. If real objects never touch directly, they affect one another through appearances or mediating situations. Fire meets cotton as burnable, not as the complete reality of cotton.

• Undermining: reducing an object to something deeper than it, such as matter, atoms, flux, or a basic substance. Harman thinks this erases the object as a real unit.

• Overmining: reducing an object to something more accessible than it, such as its effects, relations, uses, or appearances. Harman thinks this also erases the object.

• Aesthetics: for Harman, art matters because it hints at objects without fully explaining them. A metaphor such as "the city is a machine" does not literally define the city. It creates an indirect contact.

Major Works

• Tool-Being: Heidegger and the Metaphysics of Objects (2002): Harman's first major book. It reads Heidegger's tool-analysis as a theory of objects, not only human practical activity.

• Guerrilla Metaphysics (2005): expands the early system. It gives more attention to indirect relation, metaphor, and the strange way objects touch without fully touching.

• Prince of Networks: Bruno Latour and Metaphysics (2009): praises Bruno Latour for taking nonhuman actors seriously, but criticizes him for making objects too dependent on relations.

• The Quadruple Object (2011): the clearest short statement of Harman's fourfold model: real objects, sensual objects, real qualities, and sensual qualities.

• Weird Realism: Lovecraft and Philosophy (2012): uses H. P. Lovecraft's fiction to explain indirect access to objects too deep to be stated plainly.

• Object-Oriented Ontology: A New Theory of Everything (2018): a public introduction to OOO, its anti-human-centered realism, and its uses in politics, art, science, and culture.

• Speculative Realism: An Introduction (2018): Harman's guide to the broader speculative realist scene, including Ray Brassier, Iain Hamilton Grant, Quentin Meillassoux, and his own object-oriented position.

Why It Matters

Harman matters because he gives a strong version of realism without saying reality is easy to know. Realism means the world is not just a product of human thought. Harman keeps that claim, but says knowledge never fully captures its object.

This made OOO influential outside professional philosophy, especially in architecture, art theory, literary theory, media theory, ecology, and design. It gives those fields a language for nonhuman things without making them passive props for human meaning.

It also matters for Philosophy of Technology and AI. Harman's view pushes against the habit of treating tools, platforms, datasets, buildings, and machines as merely human instruments. A technology has relations, effects, failures, and hidden capacities that exceed its official purpose.

Proponents, Critics, and Opponents

Harman's closest intellectual neighbors include Levi Bryant, Ian Bogost, and Timothy Morton, who developed related versions of object-oriented ontology. They share the push to take nonhuman things seriously, though they do not always use Harman's system.

Martin Heidegger is the major source for the tool-analysis, but Harman pushes Heidegger away from Dasein, Heidegger's name for human existence, and toward all objects. A hammer withdraws from human users, nails, rust, gravity, and fire.

Bruno Latour is another major source because Latour treats nonhumans as actors in networks. Harman admires this, but thinks Latour makes objects too relational. For Harman, an object has a reality that is not used up by its network.

Quentin Meillassoux is a useful contrast. Both reject correlationism. Meillassoux argues for a reality thinkable through contingency and mathematics. Harman argues that reality is object-filled and withdrawn.

Critics often press three worries. First, if real objects always withdraw, how can Harman justify claims about them? Second, if every object gets similar ontological dignity, does this flatten moral and political differences? Third, process and relational philosophers argue that Harman freezes a world that is really made of relations, change, and becoming.

Peter Wolfendale's Object-Oriented Philosophy: The Noumenon's New Clothes is a major book-length critique. It argues that OOO does not escape the problems of access it criticizes. Critics from Continental Philosophy, Poststructuralism, critical theory, and process thought often make related objections.

Related Pages

• Martin Heidegger
• Bruno Latour
• Quentin Meillassoux
• Continental Philosophy
• Poststructuralism
• Philosophy of Technology and AI