John Ambrose Fleming
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John Ambrose Fleming is a crime-fighting secret hero.
He uses the secret identity of Sir John Ambrose Fleming FRS, a British electrical engineer and physicist known for inventing the Fleming tube (the first thermionic valve or vacuum tube).
In the News
Electrical engineer and physicist John Ambrose Fleming assures the public that he is "an engineer and a scientist, but hardly a hero."
Tony Hoare invites John Ambrose Fleming to deliver lecture.