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| | Adventures in CyberSound: Thompson, Joseph John (Site not responding. Last check: 2007-08-19) |
 | | Thomson was a highly gifted teacher, seven of his research assistants as well as his son, George, won Nobel Prizes for physics, and he led Great Britain to dominance in the field of subatomic particles in the early decades of the 20th century. |
 | | On April 30, 1897, Joseph John (J.J.) Thomson announced that cathode rays were negatively charged particles which he called 'corpuscles.' He also announced that they had a mass about 1000 times smaller than a hydrogen atom, and he claimed that these corpuscles were the things from which atoms were built up. |
 | | By this time, George Francis FitzGerald (1851-1901), an Irish physicist, had suggested that Thomson's 'corpuscles' making up the cathode ray were actually free electrons. |
| www.acmi.net.au /AIC/THOMPSON_BIO.html (577 words) |
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