No. Mr. Hoover was not a politician. He was the Director of the
FBI.
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Anyone with any sense called him Mr. Hoover.
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The Hoover vacuum cleaner was named after W.H. Hoover. He was
the owner of a leather goods manufacturing shop who bought the
patent for a suction sweeper from a janitor Mr. Spangler. W.H.
Hoover then retained Mr. Spangler as a partner in 1908.