Science Museum, London
Science Museum: Online Stuff: Atomic Firsts
Read about three famous British atomic physicists, each of whom won a Nobel Prize. J.J. Thompson discovered the electron, Ernest Rutherford successfully split an atom, and George Paget Thomson proved that electrons had wave-like properties.
Nobel Media AB
The Nobel Prize: J. J. Thomson Nobel Lecture: Carriers of Negative Electricity
At this site from The Nobel Foundation you can download and read Joseph John Thomson's Nobel Lecture, "Carriers of Negative Electricity" (in pdf format).
National High Magnetic Field Laboratory
Magnet Academy: Joseph John Thomson
Joseph John Thomson, better known as J. J. Thomson, was a British physicist who first theorized and offered experimental evidence that the atom was a divisible entity rather than the basic unit of matter, as was widely believed at the...