scientist

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  1. 4. was an Ancient Greek pre-Socratic philosopher primarily remembered today for his formulation of an atomic theory of the universe.
  2. 5. British physicist who came to be known as the father of nuclear physics
  3. 6. english chemist, physicist and meteorologist. He is best known for introducing the atomic theory into chemistry
  4. 9. an American experimental physicist honored with the Nobel Prize for Physics in 1923 for the measurement of the elementary electric charge and for his work on the photoelectric effect.
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  1. 1. German physicist known for his work on electrical phenomena in gases and on cathode rays; he is also credited with discovering canal rays.
  2. 2. is a system consisting of a small, dense nucleus surrounded by orbiting electrons—similar to the structure of the Solar System, but with attraction provided by electrostatic forces in place of gravity.
  3. 3. British chemist and physicist who attended the Royal College of Chemistry in London, and worked on spectroscopy. He was a pioneer of vacuum tubes, inventing the Crookes tube which was made in 1875
  4. 7. a British physicist and Nobel Laureate in Physics, credited with the discovery of the electron, the first subatomic particle to be discovered
  5. 8. made the discovery of the nuetron