"Sir William Crookes, OM, FRS (17 June 1832 \u2013 4 April 1919) was a British chemist and physicist who attended the Royal College of Chemistry, London, and worked on spectroscopy. He was a pioneer of vacuum tubes, inventing the Crookes tube which was made in 1875. Crookes was the inventor of the Crookes radiometer, which today is made and sold as a novelty item."@en . . "1832Z"^^ . "1832-06-17Z"^^ . . . "Sir William Crookes"@en . . . "1919-04-04Z"^^ . "1919Z"^^ . "British chemist and physicist" . . . . . . "Crookes, William"@en . . .