| |
| | William Crookes |
 | | Crookes, Sir William 1832-1919, man of science, was born in London 17 June 1832, the eldest son of Joseph Crookes, a tailor of north-country origin, by his second wife, Mary Scott. |
 | | The method of spectrum analysis, introduced by Bunsen and Kirchhoff, was received by Crookes with great enthusiasm, and, on applying it to the examination of the seleniferous deposit from a sulphuric acid factory, he discovered an unknown green line in the spectrum. |
 | | It remained for (Sir) J. Thomson to discover their subatomic nature, and to prove that cathode rays consist of streams of negative electrons, that is, of negatively electrified particles whose mass is only 1/1,800 that of the atom of hydrogen. |
| www.chem.ox.ac.uk /icl/heyes/LanthAct/Biogs/Crookes.html (1549 words) |
|