PERSON

Jean Lave

The American social anthropologist who demolished the foundational assumption of Western educational theory—that knowledge transfers across contexts—by watching grocery shoppers achieve ninety-eight-percent arithmetic accuracy in supermarket aisles and fifty-nine-percent on identical problems stripped of context, and whose framework for situated cognition is the most rigorous available instrument for understanding what AI-mediated practice builds and what it does not.

Lave began in Liberian tailoring workshops and arrived at the most consequential challenge available to the age of artificial intelligence: the demonstration that cognition itself is situated. Knowledge is not a substance extractable from one context and portable to another; it is produced in interaction with the specific environment, social relationships, tools, and history of the practitioner who holds it. The tailor’s knowledge of cloth is inseparable from this workshop, these scissors, these customers whose bodies taught him what measurements mean in practice. The shopper’s arithmetic lives in the aisles of this supermarket, in the felt weight of two bottles held in two hands, in a hundred previous trips. Remove the context and the knowledge degrades—not because the practitioner has become less intelligent but because the intelligence was never solely in the practitioner. It was in the system:

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