Lee De Forest, inventor of the triode which made amplification of radio signals possible, was no shrinking violet.
He called his autobiography: 'Father of Radio'. In all he was granted 180 US patents.
When he was 85 he went into hospital for cancer surgery.
While on the operating table, De Forest heard a doctor say the tumour would be removed by electrodessication.
Not one to stay silent, even at such a juncture, De Forest piped up:
"I invented it in 1907."
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