Surname shared by a chancellor of the exchequer and the creator of the ____ 1, an early portable computer (7)

I believe the answer is:

osborne

(Other definitions for osborne that I've seen before include "Chancellor" , "John -, playwright (Look Back in Anger)" , "grand island house" , "Q. Victoria's IOW home" , "Look Back in Anger writer" .)

I've seen this clue in The Sunday Times and The Times.

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