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Rethinking the Division of Labor

A Silicon-Based External Brain and an Army of One

Reading a clinical trial protocol late at night, I often find myself wondering about a strange question: how many minds must a molecule pass through before it enters a human body?

It begins as an explanation of a disease, then becomes a pharmacologist’s experiment, a clinician’s judgment about a patient population, a statistician’s hypothesis, a regulatory expert’s argument, and an operations team’s timeline. At every boundary, it is translated again. By the time the first patient signs the informed consent form, the original question has been scattered across dozens of documents, several systems, and many people’s memories.

Everyone involved may be conscientious and skilled, and each may grasp a real part of the picture. Yet it feels remarkably like the parable of the blind men and the elephant. Who actually sees the clinical trial as a whole? Who can answer what, exactly, we are testing? And when the trial ends, what will we know that we do not know today?

Increasingly, I think this is where AI agents will bring about their deepest change. They may allow one person to regain a grasp of complex work in its entirety, bringing knowledge, action, and responsibility together in one place. That possibility invites us to rethink the division of labor we have taken for granted since industrialization. In clinical development, it may give rise to a new way of working: one person, supported by agents, leading a trial all the way from mechanism to evidence. The thought takes me back to the world before the Industrial Revolution.

The Gains and Costs of the Division of Labor

There was division of labor then, of course, and people were far from universally skilled. But at the artisan’s workbench, conception and making were often close together. A carpenter understood why a chair bore weight in a particular way, and why the grain in one part of the wood would not permit a certain cut. His judgment extended across materials, tools, and purpose, ultimately reaching a particular person. The object was a whole, and so was the work.

Industrialization changed that relationship. In Adam Smith’s account, pin-making was divided into roughly eighteen operations, and the division of labor dramatically increased output. Yet later in The Wealth of Nations, he also worried that spending a lifetime repeating a few simple operations could deprive people of the opportunity to exercise their understanding and inventiveness. The discovery of efficiency and the human cost appeared in the same book. The Wealth of Nations

Taylorism subsequently turned work into movements that could be measured and prescribed, while the assembly line set those movements to a precise rhythm. A person could take part in making a product without understanding it as a whole. This brought unprecedented material abundance. It also accustomed us to an organizing principle: break complexity apart, and let each person carry only a small portion of it.

That principle eventually entered offices, laboratories, and hospitals.

Medicine makes me especially aware of the two sides of this progress. Specialization allows us to identify subtle pathological differences and deliver treatments once unimaginable. Yet as knowledge deepens, the territory any one doctor can master alone becomes more limited. Organs, tissues, signaling pathways, and disease subtypes form a succession of necessary disciplinary boundaries.

The patient, however, always enters the consulting room as a whole person. Kidney function, immune status, sleep, income, and fear of treatment do not divide neatly among departments. Our understanding of the parts becomes ever more precise, while understanding the whole demands an ever higher cost of coordination.

I think of Leonardo da Vinci, not because he was truly history’s “last polymath,” but because of the way he looked at things. Water, muscles, birds in flight, and machines could all enter the same process of thought. Modern systems of specialization have made that kind of vision expensive. To move from one’s own field into another often means paying again in years of study.

What Every Generation Must Learn Again

Behind this lies a limitation older than any organizational structure: we cannot directly inherit the memories of those who came before us. We must spend enormous amounts of time simply reaching ground that others have already reached.

In his short story The Village Teacher, Liu Cixin turns this everyday fact into a source of astonishment on a cosmic scale. An alien civilization struggles to understand how a species that cannot inherit memories, and communicates through slow sound waves, could accumulate a civilization. The story entrusts the answer to teachers: people who use their own finite lives to pass what is already known into a new generation of young minds.

The metaphor has stayed with me. With every child born, civilization must begin another local installation. Language, mathematics, history, and causality all have to be learned anew. Consider mathematics: by the end of secondary school, the territory a student has covered in geometry is, broadly speaking, only part of what the ancient Greeks had already explored. Every generation must travel that road from the beginning. For a doctor or scientist, the journey often extends into their thirties or beyond before they even reach the point of independently tackling problems at the frontier.

Education is, of course, much more than the transmission of information. It also shapes judgment, character, and the ability to understand others. But knowledge still exerts a kind of gravity: the richer its accumulation, the higher the next generation may have to climb to reach the frontier. The length of a human life has not grown in step.

The External Brain and the Third Curve

I like to imagine the accumulation of human capability as three curves.

The first is written in our genes. Over the long course of evolution, spanning countless generations, our brains gradually grew in capacity, and we acquired keen eyes, dexterous hands, and bodies that could walk upright. The second is written in language, books, schools, and institutions. It allows one person’s discovery to outlive them and become someone else’s starting point. This second curve greatly accelerated civilization, but it still has to pass through the limited attention and time of each individual brain.

Agents have allowed me to glimpse the outlines of a third curve. This is a new path for passing on knowledge and extending capability: some of the ability to do work that has already been developed can be stored and called upon outside the human body, then continually revised through practice.

I call it a “silicon-based external brain.”

Textbooks and knowledge bases certainly preserve knowledge, but they require people to spend considerable time reading, understanding, and internalizing it before they can put it to use. A book can only wait to be read. An external brain is different. An agent supported by reliable sources, tools, and working memory can become an integral part of human work and judgment. At the moment it is needed, it can actively organize knowledge around a specific goal: seeking counterexamples, carrying out calculations, comparing approaches, bringing methods from one field into another, and returning its results for scrutiny.

The truly difficult part is turning professional experience into judgments that can be put into practice. The value of an experienced clinical developer often lies in what guidelines do not fully spell out: why an apparently attractive endpoint might mislead, why a particular population definition might make recruitment unworkable, or what a negative result actually rules out. Such experience has to be unpacked into reasons, conditions, counterexamples, and ways of testing it before it can become part of an external brain.

Once that is possible, knowledge gains another means of transmission. Those who follow can begin with capabilities their predecessors have already built and learn through real problems, without first having to move every detail into their own memory.

Becoming Generalists Again

Being a generalist may then take on a new meaning.

The generalist I hope to see has a sufficiently deep grounding in one field, while using an external brain to cross disciplinary boundaries and organize scattered knowledge into coherent action. Clinicians can interrogate statistical assumptions. Statisticians can explore disease mechanisms. People who understand patients can participate directly in building tools. The cost of crossing boundaries falls; the responsibility that comes with doing so remains.

Mathematics has already offered a concrete example. In 1946, Erdős posed the unit distance problem in the plane: among n points in a plane, what is the largest possible number of pairs exactly one unit apart? He conjectured that grid-like arrangements were close to optimal. For nearly eighty years, mathematicians largely worked toward proving this conjecture, using tools drawn mainly from combinatorial geometry, incidence geometry, and graph theory. In May 2026, a general-purpose reasoning model from OpenAI took a different route. Borrowing tools from algebraic number theory, including infinite class field towers, it constructed point sets with substantially more unit-distance pairs than a grid, disproving the conjecture. The proof has been verified by external mathematicians. Some commentators have noted that a human taking this route would need both a deep command of algebraic number theory and an interest in the unit distance problem, an exceptionally rare combination. OpenAI: A Model Disproves a Central Conjecture in Discrete Geometry

For me, the deeper lesson is that the distance between tools is shrinking. Many difficult problems require several methods, traditionally housed in separate disciplines, to work together. In the past, a person’s training determined which tool they noticed first. In the future, an external brain may help them see a wider range of possibilities.

And so the division of labor deserves another look.

In Adam Smith’s time, dividing labor was almost the only way to improve efficiency. With one person’s learning time limited, complex work had to be broken apart so that each person could become proficient in a narrow set of operations. The price was that many people spent their entire lives seeing only one facet of the work. It was a rational choice under the constraints of the second curve.

The third curve may loosen that constraint. If an external brain takes on a substantial share of storing and retrieving knowledge, a person may be able to understand and lead a whole undertaking without first spending a decade or more committing every field’s details to memory. Being a generalist need no longer be the privilege of a few exceptional minds, and human work need no longer be fragmented by necessity.

For someone with the ability and the desire, work approached as a whole may be more efficient, because its rationale need not be lost in handoffs. It may be wiser, because every local decision remains connected to the larger question. It may also be more fulfilling. Smith’s concern was precisely that monotonous repetition deprived people of opportunities to exercise their understanding and inventiveness. Regaining a view of the whole also means recovering that opportunity: seeing how one’s judgment carries through to the final outcome, and taking responsibility for it.

Wholeness does not make the work easy. In clinical development, a neat statistical result may not translate into a benefit patients can feel, and an elegant mechanistic account may not withstand the reality of drug exposure in the human body. Whoever holds the whole picture must see scientific possibilities, practical constraints, and who ultimately bears the cost.

The Handoff Tax in Clinical Development

This is why we keep returning to clinical development as we think about organizational design at CataX. It is a place where ideas about intelligence can be tested against reality.

Software can run quickly, and many errors can be rolled back just as quickly. Clinical trials enter human bodies and must wait for disease progression, drug action, and time to yield an answer together. Patient recruitment, drug supply, and the capacity of study sites all operate on timescales that computation alone cannot compress. The world will not yield reliable conclusions faster simply because a model reasons faster.

Yet beyond these real constraints, clinical development also carries a substantial burden of delay created by the organization itself.

Medical writing, regulatory affairs, biostatistics, clinical operations, and data management each have necessary depth of expertise. Each also maintains part of the project’s factual picture. As a change passes through these boundaries, it requires repeated explanations, another place in a queue, and more version checks. The most dangerous loss occurs in the transmission of reasons: downstream teams receive a conclusion without knowing the assumptions on which it depends.

This is the “handoff tax.” It is paid in meetings, waiting, and rework, and also in the dilution of scientific intent.

Imagine that we are developing a candidate drug for an inflammatory disease and preparing to establish clinical proof of concept (PoC). The original question is specific: in a population relevant to the mechanism, can sufficient drug exposure produce a clinically meaningful benefit?

If we broaden the eligibility criteria to accelerate enrollment, we may dilute the signal from the target mechanism. If we adjust sampling to reduce the burden of study visits, the relationship between exposure and effect may become harder to interpret. If we select endpoints solely on the basis of precedent, the trial may miss the time window in which the mechanism is most likely to show an effect.

Each local decision may be reasonable. Taken together, however, they may leave the trial unable to answer the question that prompted it.

Clinical-of-One and the Clinical Maestro

That is why we propose Clinical-of-One: a way of reorganizing clinical development to bridge this fragmentation.

“One” refers to unified leadership of the development effort. One person, with a solid understanding of clinical development, judgment across functions, and a strong sense of responsibility, maintains a continuous grasp of the entire process, from mechanism to evidence and from protocol to decision. We might call this person the Clinical Maestro.

A conductor must understand every part of the orchestra and know why those parts come together at a particular moment. The Maestro cannot assume a study is sound merely because every department has completed its deliverables. They must keep asking: why are these patients the right ones? Why is this dose worth testing? Which explanations can this analysis distinguish? What results would lead us to continue, adjust course, or stop?

The agent platform takes on an increasing share of the work around these questions: organizing evidence, generating protocol options, running simulations, checking the logical relationships between documents, and tracking how each change affects other parts of the study.

In the way of working we envision, broadening an eligibility criterion would immediately trigger a joint examination of enrichment for the relevant mechanism, recruitment speed, expected effect, and sample-size assumptions. The discussion would still require professional judgment, but participants could work from the same evidence and dependencies. The original scientific question would not need to be retold at every handoff.

Unified Leadership and Independent Oversight

One essential condition makes this arrangement viable: concentrating leadership must leave room for independent challenge. Investigators, ethics review, statistical review, and quality oversight each have roles that cannot be absorbed into one person’s judgment. Nor can a sponsor transfer its ultimate responsibility by delegating work, as explicitly stated in Principle 10 and Annex 1, Section 3.6.6 of ICH E6(R3). ICH E6(R3) Guideline

In other words, the Clinical Maestro determines the question the trial should answer and the direction to take once the evidence emerges. The agent platform organizes evidence, drafts protocols, runs simulations, and checks consistency. Statistical review, medical monitoring, management of blinding, ethics review, and quality assurance must remain independent, without yielding to any individual’s judgment. An army of one does not mean one person doing everything.

What an “army of one” really demands, then, is stronger infrastructure. Evidence provenance, access permissions, version histories, blinding boundaries, and review mechanisms must allow dissent to be heard, errors to be detected, and another qualified person to carry the work forward. Otherwise, a smaller organization merely concentrates all its risks in one person’s blind spots.

The freedom the Clinical Maestro gains is the ability to devote more attention to deciding what we should learn next. Sometimes that means advancing a clearly defined indication; sometimes, designing a well-founded expansion into another indication; and sometimes, ending a path early when it no longer warrants the commitment of patients or capital.

This also changes our understanding of efficiency. Producing documents faster is only a starting point. What truly matters is obtaining evidence that can change a development decision, within finite limits of time and resources.

What It Means to Be an Army of One

At this point, the pendulum of civilization seems to begin another swing.

Industrialization allowed us to accomplish things beyond any individual’s capacity through the division of labor. Agents may allow individuals to inherit that collective capability while regaining an understanding of, and leadership over, the work as a whole. Expertise remains deep, and social collaboration remains indispensable, while the reach of one person’s actions can extend further.

That possibility is worth pursuing, and it deserves careful choices about how we use it. A silicon-based external brain could train people to follow instructions faster, or help them once again frame questions, understand causality, and take responsibility for creating something. Technology expands the range of choices; organizations determine where people ultimately stand.

I still find myself returning to the classroom in The Village Teacher. Civilization endures because people with finite lives are willing to pass what they know to those who follow. Today, we are beginning to have the opportunity to let that knowledge carry more with it: ways of reasoning, the reasons for failure, questions still unresolved, and the ability to keep acting.

For clinical development, that hope must ultimately come to rest in something very concrete. When the next patient walks into a study site, are we clearer than we were last time about why it is worth asking them to participate, how their participation can produce reliable knowledge, and how that knowledge can help those who come after?

Perhaps this is what an “army of one” means: a person able to bring a fuller inheritance of civilization to that question, and take responsibility for the answer.

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CataX — The Film

2 min 17 sec
HUMAN EXPERTISE × AGENT CAPABILITY

One Clinical Lead. A team of agents.

Direct the work. Bring the results together. Refine.

Briefs & feedback →Drafts & findings ←
A Full-Stack Clinical Lead surrounded by six specialist agentsThe Clinical Lead shares goals and context with agents, who work in parallel and return drafts and findings. The Clinical Lead reviews with relevant experts and sends feedback for refinement.
Set the goal. Share the context.The Clinical Lead directs the work.
  1. 01 Direct
  2. 02 Execute
  3. 03 Review & refine