Physicists

4. famous for idea that charge is concentrated in the nucleus of an atom based on results of the Gold Foil experiment
5. a physician studying medicine when observed a frog twitch when stimulated by electrical spark
7. discoveries made while researching speech, education for the deaf, as well as electricity and magnetism -
9. work with black holes to improve our understanding, written books and been in many films
12. advanced the industrial revolution, improving the design of the steam engine
14. studied electromagnetic waves and determined their properties to be similar to those of light and heat waves
15. create the torsion balance making it possible to measure very small forces
17. instrumental in improving efficiency of steam engines with lubrication devices (less wear and tear on equipment)
18. unit of frequency is named after him
19. advanced study of long range artillery; experiments with shooting satellited into air

1. investigated Strontium-90 levels in children; important in ending the testing of nuclear weapons above ground
2. patents telephone in 1867 which transmits human speech over electrical wires
3. developed cobalt-60 therapy unit which is used in cancer treatments
6. discovered white light is composed of all colours of visible spectrum
8. unit of power is named after him
10. professor at University of Alberta; worked with Stephen Hawking; theory of black holes
11. created first rotary electric motor and electric generator
13. discovery of the law describing the force required to bring an extended spring back to its original position
16. discovery of radioactivity when using uranium salts