I bet Harry Beck wouldn't have known what a user interface was, but that's really what he designed and he really took that challenge and broke it down to three principles that I think can be applied in nearly any design problem.
Ich wette, Harry Beck kannte keine Benutzerschnittstelle, aber tatsächlich schuf er eine, und er entschlüsselte dabei 3 Prinzipien, die sich auf jede Design-Aufgabe anwenden lassen.