Sir William Crookes, OM, FRS (17 June 1832 – 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?. Crookes, Wikipedia (external link)

Created by Dale Pond. Last Modification: Wednesday 19 of October, 2011 03:30:28 MDT by Dale Pond. (Version 1)
The original document is available at