Jessica+Elizabeth+Berger

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J.J Thomson born December 18 1856, died August 30 1940. he was awarded the nobel peace prize for his discovery of the electron and he worked on conducting electricity in gases. his full name is joseph john thomson. he was born in 1856 in Cheetham hill, manchester, England. his mother camefrom alocal textilecompany and his father ran a bookshop.for the earlier part of his education, he went to smaller sized private schools. he was very interested in science. he went to college when he was 14. he attended owen's college. his parents had planed out his future until his father passed away. he then attended trinity college in cambridge, where he obtained his BA in math. scientists used to believe that atoms were the ultimite particles of matter.thomson proved that atoms contained electrons. he explored the properties of cathode rays.through his explorations, he discovered that rays could be deflected by an electric field. he compared the deflection of a beam of cathode rays by electric and magnetic fields, which he then measured by particle's mass. that showed that cathode rays were matter but the particles were lighter then the mass of an atom.

John Dalton [] he was an english chemist born september 6, 1766 and died july 27, 1844