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Famous Inventions theories and discoveries in the world  1 Galileo was the first in the world who discover the rotation of the earth 2. Kohler and Milstein discovered monoclonal antibodies. 3. Mathew Barry invented photography 4. Albert Sabin was first medicine expert who invented the Polio vaccine (oral) 5. Dmitry Ivanovich Mendeleyev was a Russian, and he was the first man who published his first version of the periodic table in 1869. 6. James Clark was the first one world who invent the x-ray machine 7. Arthur Campton was the first one who discovered x-rays and Cosmic rays. 8. Chadwick discovered Neutron 9. Galileo invented the telescope 10. Alexander Fleming discovered penicillin 11. Noble gases discovered by Cavendish 12. Gun powder was first invented in China for the first time in the world  13. for the first time in the world, the Velocity of light was measured by Michelson 14. Archimedes was the first man who gave laws about Floatation of Bodies  15. Balloon fly u...