William Crookes
Born: June 17, 1832
Died: April 4, 1919 (aged 86)
Bio: Sir William Crookes was an English 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.
Known for:
- Researches in the Phenomena of Spiritualism (1874)
- Diamonds (1905)