William Crookes
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Sir William Crookes was an English chemist and physicist who attended the Royal College of Chemistry, now part of Imperial College London, and worked on spectroscopy. He was a pioneer of vacuum tubes,
Crookes in 1906
Blue plaque, 7 Kensington Park Gardens, London
The element thallium, discovered by Crookes
The mineral crookesite, a selenide of copper, thallium and silver (Cu 7(Tl, Ag)Se 4), named for Crookes
J. J. Thomson
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Sir Joseph John Thomson was a British physicist. He received the 1906 Nobel Prize in Physics "in recognition of the great merits of his theoretical and experimental investigations on the conduction of
Thomson in 1915
First page to Notes on Recent Researches in Electricity and Magnetism (1893)
Plaque commemorating Thomson's discovery of the electron outside the old Cavendish Laboratory.