American software designer, author, and one of the foundational early thinkers in interaction design. Relevant here as a sharp critic of technology-centered product development: he explained early and clearly why many digital products feel logical to their builders and frustrating to their users.

Context

Cooper matters because he treats the user perspective not as a nice extra, but as a structural correction against internal system logic. His work predates today’s discovery vocabulary, yet lands on the same point: products often fail because teams mistake their own mental models for the user’s.

That makes him a useful root for several newer topics in the vault. What now gets discussed as UX, customer centricity, or empowered product teams often sounds harder and clearer in Cooper.

Core Ideas

  • User-centered design needs real representation inside the team
  • Interaction design is strategic, not decorative
  • Internal complexity leaks outward
  • Technical excellence without user understanding is incomplete

Connections

Sources

  • User photo of The Inmates Are Running the Asylum from 2026-04-06