JJ+Thomson(DD)


 * __JJ Thomson__**



date of birth: Dec. 18th 1856 date of death: Aug 30th 1934 country of origin: United Kingdom · He was born in Cheetham Hill, a suburb of Manchester on December 18, 1856 · Thompson enrolled at Owens College, Manchester, in 1870, and in 1876 entered Trinity College, Cambridge as a minor student · He became a Fellow of Trinity College in 1880 and he remained a member of the College for the rest of his life, becoming Lecturer in 1883 and Master in 1918 · He was a Cavendish Professor of Experimental Physics at Cambridge and this is where he made most of his discoveries · In 1897 he discovered that cathode rays had to of had some sort of negatively charged particles within them · Thompson was trying to investigate whether or not cathode rays could be deflected by an electric field · His first experiment failed in his first experiment with cathode rays and magnetism then moved on the this · He constructed a cathode ray tube and created an almost perfect vacuum inside the design · Then he coated one end with phosphorescent paint · From this he discovered the cathode rays did bend under the influence of an electric field, in a direction indicating a negative charge · JJ received the Nobel Peace Prize in 1937 for proving wavelike properties in electrons