Inventions and Inventors - 1

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1. Who invented Aeroplane

Orville & Wilbur Wright in 1903

2. Who invented Air Conditioning ?

Carrier in 1902

3. Who invented Barometer ?

Evangelista Torricelli of Italy in 1644

4. Who invented Ball-Point Pen ?

John J. Loud of U.S.A. in 1888

5. Who invented DNA Structure ?

Crick(UK), Waston(US), Wilkins(UK) in 1951

6. Who invented Laser ?

Sir Frank Whittle of Britain in 1937

7. Who invented Locomotive ?

Benjamin Franklin of U.S.A. in 1752

8. Who invented Logarithms ?

Richard Trevithick of Britain in 1804

9. Who invented Machine Gun ?

Horace Short of Britain in 1900.

10. Who invented HIV ?

Etienne Oehmichen of France in 1924.

11. Who invented Helicopter ?

Thomos Alva Edison of U.S.A. in 1878

12. Who invented Circulation of blood ?

William Harvey of Britain in 1628

13. Who invented Vaccine of Rabies ?

Louis Pasteur of France in 1885

14. Who invented Vitamin A ?

Mc Collum and M.Davis of U.S.A. in 1913

15. Who invented Vitamin B1 ?

Minot & Murphy of U.S.A. in 1936

16. Who invented Vitamin C ?

Forelich Hoist of Norway in 1919.

17. Who invented Vitamin D ?

Vitamin D was invented by Mc Collum of U.S.A.

18. Who invented Vitamin K ?

Doisy Dam of U.S.A. in 1938.

19. Who invented by Electric Lamp ?

Thomas Alva Edison of U.S.A. in 1879

20. Who invented CT scan ?

Hounsfield by Britain in 1973.