#Some inventions & Discoveries (By NM Mishra on the behalf of Brilliant Academy of Learning Pvt Ltd on 24 th April 2020)#

1. Radio was invented by Marconi.
2. TV was invented by JL Baird.
3. Telephone was invented by Graham Bell.
4. Penicillin was invented by Alexander Fleming.
5. Blood Group was discovered by Karl Landsteiner.
6. Theory of Circulation of Blood was given by William Harvey.
7. Polio was discovered by John Salk.
8. Malaria was discovered by Ronald Ross.
9. T B was discovered by Robert Kotch.
10. AIDS was discovered by Robert Gola.
11. Vaccination was invented by Edward Jenner.
12. Aeroplane was invented by Wright Brothers.
13. Bicycle was invented by Macmillan.
14. Motor Car was invented by Austen.
15. Fountain pen was invented by Water Man.
16. Safety Razor was invented by Gillette.
17. Revolver was invented by Colt.
18. Atom Bomb was invented by Autohan.
19. Dynamite was invented by Alfred Noble.
20. Printing Press was invented by Gutenberg / Caxton.
21. X-ray was invented by Roentgen.
22. Protein was invented by Goldstein/ Rutherford.
23. Electron was invented by JJ Thompson.
24. Hydrogen was invented by Cavendish.
25. Nitrogen was invented by Chadwick.

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